unit%eight:%principles%of%ecology% … … · harmful!things!that!bacteria!do ... decomposer%g ......
TRANSCRIPT
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%2.1%Organisms%and%Their%Relationships%
Objectives%1G3%!
Use%the%terms%below%to%complete%the%graphic%organizer.%List%the%biological%levels%from%largest%to%smallest%and%define%them.%%Biological%community%% biosphere% % organism%Biome% % % % ecosystem% % population%LEVELS%OF%ORGANIZATION%! !!
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!Compare%the%terms%in%the%tables%by%defining%them%side%by%side.%Habitat:%%%%%%
Niche:%
Abiotic%factor:%%%%
Biotic%factor%
%%Symbiosis:%%%Commensalism:% Mutualism:% Parasitism:%
%%%%%
Predation:%%%!Main%Idea%–%Ecology%(Pages%32G33)%Create%a!journal!entry!for!the!picture!below!that!lists!three!relationships!the!!bee!has!in!its!environment.!!
!!Main%Idea%–%The%Biosphere%(Pages%34G35)%Sequence%the!abiotic!and!biotic!factors.!!Write!abiotic!or!biotic!in!each!square.!!%%%%%% Rivers%dry%up%
!!!!!!Dry%soil% Certain%plants%die%
Population%of%a%species%diminishes%
%%%
Lack%of%%%%%%rainfall%
%
Animals%%%%%%%%%%%%don’t%
%%%%%%reproduce%!
Main%Idea%–%Levels%of%Organization%(Page%36)%Identify%each!level!of!organization!that!is!described.!!_____________________________________!a!group!of!organisms!of!all!the!same!species.!!%_____________________________________!interacting!populations.!!%_____________________________________!an!individual!living!thing!made!of!cell(s).!!%_____________________________________!all!the!different!populations!in!a!community.!!%_____________________________________!a!large!group!of!organisms!that!share!the!!!! ! ! ! ! !!!!!same!climate!and!have!similar!types!of!! ! ! ! !!!!!!!!!!!!!!!!!communities.!%Main%Idea%–%Ecosystem%Interactions%(Page%38)%Explain%why!these!organisms!in!the!community!usually!wouldn’t!occupy!the!same!niche!for!very!long.!!!
!!!_________________________________________________________________________________________________________!!_________________________________________________________________________________________________________!!_________________________________________________________________________________________________________%%
Main%Idea%–%Community%Interactions%(Pages%38G40)%Rephrase%mutualism,!commensalism,!and!parasitism!in!your!own!words.!!Give!an!example!for!each.!!1.!!______________________________________________________________________________________!!!!!!!!______________________________________________________________________________________!!!2.!!______________________________________________________________________________________!!!!!!!!______________________________________________________________________________________!!!3.!!______________________________________________________________________________________!!!!!!!!______________________________________________________________________________________!!!Summarize%community!interactions!by!analyzing!helpful,!neutral,!and!harmful!things!that!bacteria!do!while!living!in!our!bodies.!!Incorporate!the!terms!niche,!habitat,!parasitism,!and!mutualism.!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!!!!!!!!!!!
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%2.2%Flow%of%Energy%in%an%Ecosystem%
Objectives%4G5%!
%New%Vocabulary:%%Use%your%book%to%write%the%correct%vocabulary%% % % %%term%for%each%blank.%%autotroph%%G%%__________________________________________________________________________%%__________________________________________________________________________________________%!biomass%%G%%____________________________________________________________________________%%__________________________________________________________________________________________%!carnivore%%G%%__________________________________________________________________________%%__________________________________________________________________________________________%!decomposer%G%________________________________________________________________________%%__________________________________________________________________________________________%!detritivore%%G%%_________________________________________________________________________%%__________________________________________________________________________________________%!food%chain%%G%%_________________________________________________________________________%%__________________________________________________________________________________________%!food%web%%G%%___________________________________________________________________________%%__________________________________________________________________________________________%!herbivore%%G%%__________________________________________________________________________%%__________________________________________________________________________________________%!
heterotroph%G%________________________________________________________________________%%__________________________________________________________________________________________%!omnivore%G%____________________________________________________________________________%%__________________________________________________________________________________________%!trophic%level%G%________________________________________________________________________%%__________________________________________________________________________________________%!!
Main%Idea%–%Energy%in%the%Ecosystem%(Pages%41G42)%Summarize%how!organisms!meet!their!energy!needs.!Type%of%Organism%
Autotrophs% ! !
Other!name(s)!for!this!type!
! Consumers,!herbivores,!carnivores,!scavengers,!omnivores!
No!other!name!
Food!comes!from! !!!!!
!!!!!!
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Chemical!reactions!that!occur!
! The!organisms!that!are!eaten!are!turned!into!energy!and!molecules!for!the!consumer’s!body!
!!!!!!!
Examples! Algae,!plants!!!!
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Design%your!own!3!step!example!of!the!flow!of!energy.!!! !
! ! ! ! !
Main%Idea%–%Models%of%Energy%Flow%(Pages%42G44)%Contrast%a!food!chain!with!a!food!web.!!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!Create%a!food!chain!and!name!the!organisms!you!include.!!Indicate!each!organisms!trophic!levels.!(see!page!43!for!an!example)!%%
Identify%and%explain%the!three!different!kinds!of!ecological!pyramids.!!
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UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%2.3%Cycling%of%Matter%
Objective%6%%New%Vocabulary:%%Use%your%book%to%write%the%correct%vocabulary%% % % %%term%for%each%blank.%%Biogeochemical%cycle%G%_____________________________________________________________%%__________________________________________________________________________________________%%__________________________________________________________________________________________%%!denitrification%G%______________________________________________________________________%%__________________________________________________________________________________________%%__________________________________________________________________________________________%%%nitrogen%fixation%%G%__________________________________________________________________%%__________________________________________________________________________________________%%__________________________________________________________________________________________%%nutrient%G%_____________________________________________________________________________%%__________________________________________________________________________________________%%! ! !%%%%%
Main%Idea%–%Cycles%in%the%Biosphere%(Pages%45G49)%Summarize%each!cycle!of!matter!in!energy.!!The!Water!Cycle!!!!!!!!__________________________________________________________________________________________!The!Carbon!Cycle!!!!!!!!!__________________________________________________________________________________________!The!Nitrogen!Cycle!!!!!!!!!!__________________________________________________________________________________________!The!Phosphorus!Cycle!!!!!!!
Describe%each!of!the!cycles!in!nature.!!Identify!where!each!cycle!is!found,!how!organisms!use!them,!and!what!key!words!relate!to!them.!! Water% Carbon/%
Oxygen%Nitrogen% Phosphorus%
Where!found!!!!!!!!!!!
! ! ! !
How!Used!!!!!!!!!!!
! ! ! !
Key!words!in!the!cycle!!!!!!!!!!
! ! ! !
!!!
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%3.1%Community%Ecology%
Objectives%7G8%%New%Vocabulary:%%Define%the%following%terms:%%Climax%community%G%________________________________________________________________%%__________________________________________________________________________________________%%community%G%_________________________________________________________________________%%__________________________________________________________________________________________%%ecological%succession%%G%_____________________________________________________________%%__________________________________________________________________________________________%%limiting%factor%G%______________________________________________________________________%%__________________________________________________________________________________________%%primary%succession%G%_______________________________________________________________%%__________________________________________________________________________________________%%secondary%succession%G%_____________________________________________________________%%__________________________________________________________________________________________%%tolerance%G%____________________________________________________________________________%!Your!____________________________!includes!people,!other!animals,!plants,!bacteria,!!and!fungi!in!your!area.!!A!_________________________________________!is!any!abiotic!or!!biotic!factor!that!restricts!numbers,!reproduction,!or!distribution!of!!!
organisms.!!The!ability!of!any!organism!to!survive!when!subjected!to!abiotic!!or!biotic!is!its!_____________________________.!!Changing!abiotic!or!biotic!factors!can!!trigger!_____________________________________________!U!!the!replacement!of!one!!!community!with!another.!!______________________________________________!occurs!!when!a!community!becomes!established!in!an!area!of!exposed!rock!without!!!topsoil.!!Eventually,!a!stable,!mature!_______________________________________!can!!develop!from!bare!rock.!!If!a!disturbance!,!such!as!a!fire,!removes!the!!!community!but!not!the!soil,!an!orderly!and!predictable!change!called!!________________________________________________!restores!the!community!over!time.!%Main%Idea%–%Communities%(Pages%60G61)%Predict%how!an!unusually!prolonged!drought!might!affect!a!biological!community.!!__________________________________________________________________________________________!%__________________________________________________________________________________________%%__________________________________________________________________________________________!%__________________________________________________________________________________________%%__________________________________________________________________________________________!%__________________________________________________________________________________________%%%%%
Create%a!tolerance!graph!similar!to!the!one!on!page!61.!!Title!the!graph!Tolerance%of%Plant%A.!!Label!the!zones,!and!the!limits!of!each!zone!according!to!the!facts!below.!!*!!can’t!live!below!1000!m! ! ! ! !!!!!!!!!*!grows!best!between!2000!U5000m!!*!can!live!at!an!elevation!between!1000!–!2000!m!!!!!!!!!*!!can’t!live!above!6000m!!*!can!live!at!an!elevation!between!5000!–!6000!m!!!!! ! ! ________________________________________________________!!!! !!!!1000! !!!2000!! !3000! !!!!!!!!!!!!!!4000! !!!!!!!!!!!!5000! !!!!!!!!!!6000!!!
! ! ! ! ! !
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! ! ! ! ! !
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!!
! ! ! ! ! !
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! !!! ! __________________________________________________________________________!!!!Infer%other!abiotic!factors!that!might!limit!the!survival!of!plant!A.!!__________________________________________________________________________________________%%__________________________________________________________________________________________!%__________________________________________________________________________________________%
Main%Idea%–%Ecological%Succession%(Pages%62G64)%Sequence%the!following!steps!in!the!primary!succession!of!a!forest!by!writing!each!step!in!the!flowchart.!!*!perrennial!herbs!and!grasses! *!bare!rock!*!lichens! ! ! ! ! *!shrubs!and!shade!intolerant!trees!*!shadeUtolerant!trees! ! ! *!small!annual!plants!!
Assume!a!forest!fire!moves!through!the!forest!and!destroys!the!vegetation.!!Describe!what!kind!of!succession!might!now!occur!and!what!might!be!the!first!organisms!to!in!habit!the!area.!!__________________________________________________________________________________________%%__________________________________________________________________________________________!%__________________________________________________________________________________________%!__________________________________________________________________________________________%%__________________________________________________________________________________________!%
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%3.2%Terrestrial%Biomes%
Objective%9%!
Reveiw%Vocabulary:%%Use%your%book%or%dictionary%to%define%the%term%%% % % %%%%%%%%%biome.%%_________________________________________________________________________________________%%New%Vocabulary:%%Define%the%following%term%then%complete%the%following%tables.%%latitude%G%______________________________________________________________________________%%__________________________________________________________________________________________%Use%your%book%to%compare%the%terms%by%defining%them%side%by%side.%Weather:!!!!!
Climate:!
Complete%the%chart%by%describing/defining%the%biomes.%Tundra:!!!!!
Boreal!forest:! Temperate!forest:!
Woodlands:!!!!!
Grassland:! Desert:!
Tropical!savanna:!!!!!
Tropical!seasonal!forest:! Tropical!rain!forest:!
!
Main%Idea%–%Effects%of%Latitude%and%Climate%(Pages%65G66)%Analyze%how!latitude!affects!climate!and!why.!
!!__________________________________________________________________________________________%%__________________________________________________________________________________________!%__________________________________________________________________________________________%!__________________________________________________________________________________________%Identify%three!factors!other!than!latitude!that!affect!climate.!!__________________________________________________________________________________________%%__________________________________________________________________________________________!Main%Idea%–%Major%Land%Biomes%(Pages%66G72)%Sequence%the!boreal!forest,!temperate!forest,!and!tundra!in!the!diagram!below.! ! !
! ! !! ! ! ! !! ! ! ! !! ! ! ! !! ! ! ! !! ! ! ! ! ! !%
%Classify%the!land!biome!described!by!each!characteristic!below.!!Characteristic% % Biome%Most!trees!drop!their!leaves!during!the!dry!season!!
!
Annual!rate!of!evaporation!exceeds!the!rate!of!rainfall!
!
Open!areas!of!trees!and!mixed!shrubs!along!the!west!coasts!of!North!and!South!America!
!
Most!diverse!of!all!biomes,!with!a!canopy!and!understory!of!vegetation!
!
Grasses!and!scattered!trees;!receives!less!rain!than!other!tropical!areas!
!
Thick!cover!of!grasses!with!underground!stems!and!buds!that!survive!fires!
!
Dense!evergreen!forest;!also!called!northern!coniferous!forest!or!tiaga!
!
Composed!of!broad!leaved!deciduous!trees;!has!four!wellUdefines!seasons!
!
Treeless;!has!a!layer!of!permanently!frozen!soil!below!the!surface!called!permafrost!
!
!Main%Idea%–%Other%Terrestrial%Areas%(Pages%72G73)%Analyze%why!the!two!land!areas!below!are!not!true!biomes.!!Mountains:!!____________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!Polar!regions:!!________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!!
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%3.3%Aquatic%Ecosystems%
Objectives%10G11%!
New%Vocabulary:%%Define%the%following%terms.%%%profundal%zone%G%____________________________________________________________________%%interdital%zone%G%____________________________________________________________________%!aphotic%zone%G%_______________________________________________________________________%%photic%zone%G%_________________________________________________________________________%%_________________________________________________________________________________________%%abyssal%zone%G%_______________________________________________________________________%!wetlands%G%___________________________________________________________________________%%_________________________________________________________________________________________%!littoral%zone%G%_______________________________________________________________________%!estuary%G%_____________________________________________________________________________%%_________________________________________________________________________________________%!limnetic%zone%G%______________________________________________________________________%%_________________________________________________________________________________________%!benthic%zone%G%_______________________________________________________________________%%plankton%G%____________________________________________________________________________%%_________________________________________________________________________________________%!
Main%Idea%–%The%Water%on%Earth%(Page%74)%Complete%the!paragraph!about!the!distribution!of!water!on!the!Earth.!!By!far,!________________________________!is!the!most!common!type!of!water!on!!!Earth.!!Of!the!2.5%!of!_______________________________!on!Earth,!most!is!locked!!in!the!ice!of!____________________________________.!!Most!freshwater!species!in!!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!that!make!up!only!________________%!of!all!freshwater.!!The!remaining!!!freshwater!is!found!in!_______________________________________.!!Main%Idea%–%Freshwater%Ecosystems%(Pages%74G77)%Analyze%how!the!speed!of!water!flow!affects!life!in!a!river!by!writing!more!or!less!in!each!box.!% Accumulation%of%
sediment%and%organic%material%
Species%that%can%live%in%these%waters%
FastGmoving%water%%
% %
SlowGmoving%water%%
% %
Compare%the!zones!of!lakes!and!ponds!in!the!table!below.!Zone% Location% Example%Species%
! WellUlit!open!water!area!!
Plankton!and!many!species!of!fish!
!!
!!!
Limited!due!to!cold!and!reduced!light!and!oxygen!
Littoral! !!!!
Algae,!rooted!and!floating!plants,!snails,!insects,!clams,!!crustaceans,!fish,!amphibians!
Main%Idea%–%Transitional%Aquatic%Ecosystems%(Page%78)%Compare%transitional!aquatic!ecosystems.!!Identify!two!types!in!the!organizer!below!and!describe!the!environments!each!type!combines.!!!!
Main%Idea%–%Marine%Ecosystems%(Pages%79G81)%Identify%the!marine!ecosystems.!!Write!the!name!of!the!zone!in!each!box!in!the!figure!below.!
! ! !! ! ! ! ! !! !
! ! ! !!
!Shore!! !! ! ! ! UUUUUUUUUUUUUUUUUUUUUU!200!mUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU!! ! ! ! !!!!!!!! ! ! ! Ocean!Floor!!! ! ! ! ! ! !! ! ! ! ! ! ! ! ! Extreme!depth!!
Transitional%%Aquatic%%%%%%%%%%%%%%%%%Ecosystem%
!
Combines!!
!
Combines!
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%4.1%Population%Dynamics%
Objective%12%%New%Vocabulary:%%Use%your%book%to%compare%the%terms%by%defining%them%side%by%side.%%Population%density:%%%%%
Dispersion:%
Density%Independent%Factor:% Density%Dependent%Factor%%%%%
%Population%growth%rate:%%%%Emigration:% Immigration:%
%%%
Carrying%Capacity:%%%%%%%%%%%
Main%Idea%–%Population%Characteristics%%(Pages%92G94)%Identify%each!pattern!of!dispersion!represented!below.!!_______________________! !!!_______________________!! !!!!!!_______________________!!
%% %%%%%%%
Analyze%why!populations!are!limited!in!their!spatial!distribution.!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!Classify%each!limiting!factor!by!placing!an!X!in!the!correct!column.!
Factor% DensityG%Independent%
DensityG%Dependent%
Lava!Flow! % %
Number!of!Predators! ! !
Spread!of!Disease! ! !
Especially!cold!weather! ! !
Toxic!chemical!spill!into!a!stream! ! !
Another!species!competing!for!the!same!resources!
! !
Diverting!a!river!for!irrigation! ! !
Fungus!that!attacks!Elm!trees! ! !
.% .%%%%%.%%%%%%%%%%%.%.% % .%
.! .! .!
.! .! .!
.! .! .!
.!!.!.!
.!!!.!!!!.!!
!Main%Idea%–%Population%limiting%Factors%%(Pages%94G99)%Identify%four!main!factors!in!a!population’s!growth!rate.!!
Factors%in%Population’s%Growth%rate%%%
%
%%
%
%Illustrate%the!different!types!of!graphs!labeling!lag!phase,!exponential!growth!phase,!and!carrying!capacity!where!appropriate.!!Below!each!graph!describe!what!is!being!shown.!
%%%%%%%
Exponential%Population%Growth%
Logistic%Population%Growth%
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY!Section%4.2%Human%Population%%
Objective%13%%New%Vocabulary:%%Use%your%book%to%define%the%terms%listed%below.%%age%structure%G%%_______________________________________________________________________%%__________________________________________________________________________________________%%__________________________________________________________________________________________%%demographic%transition%G%__________________________________________________________%!__________________________________________________________________________________________%!demography%G%________________________________________________________________________%!__________________________________________________________________________________________%!zero%population%growth%(ZPG)%G%___________________________________________________%!__________________________________________________________________________________________%Main%Idea%–%Human%Populations%Growth%%(Pages%100G101)%Identify%events!that!could!produce!each!of!the!following!effects.!
Explain!why!the!expected!human!growth!rate!is!expected!to!be!0.9!in!the!year!2025!when!the!growth!rate!was!1.3!in!the!year!2003.!!__________________________________________________________________________________________!!
Decline%in%Human%Population%Growth%Rate%
Increase%in%Human%Population%Growth%Rate%
1.!!!2.!!!
1.!!!2.!
Main%Idea%–%Trends%in%the%Human%Populations%Growth%%(Pages%102G105)%%Calculate%the!population!growth!rate!for!each!fictitious!country!listed!in!the!table!below.!
Country% Births%per%1000% Deaths%per%1000% Growth%Rate%%%X! 25! 9! !Y! 14! 4! !Z! 12! 15! !
!Compare%trends!in!industrialized!nations!and!developing!countries!in!terms!of!the!following:!!Population!growth!rate:!______________________________________________________________!!__________________________________________________________________________________________!!Resources!used!by!individuals:!______________________________________________________!!__________________________________________________________________________________________!!!Identify%three!factors!that!could!keep!the!human!population!from!reaching!its!carrying!capacity.!!1.!!______________________________________________________________________________________!!!2.!!______________________________________________________________________________________!!3.!!______________________________________________________________________________________!%%%%%%%%%
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%5.1%Biodiversity%%
Objective%14G15%%New%Vocabulary:%%Use%your%book%to%define%the%terms%listed%below.%%biodiversity%G%________________________________________________________________________%%__________________________________________________________________________________________%%ecosystem%diversity%G%_______________________________________________________________%%__________________________________________________________________________________________%%extinction%G%___________________________________________________________________________%%__________________________________________________________________________________________%%genetic%diversity%G%___________________________________________________________________%%__________________________________________________________________________________________%%species%diversityG%___________________________________________________________________%%__________________________________________________________________________________________%%__________________________________________________________________________________________%Academic%Vocabulary:%%Define%diverse%to%show%its%scientific%meaning%%%__________________________________________________________________________________________%%%%%%%%
Main%Idea%–%What%is%Biodiversity?%%(Pages%116G118)%Describe%observable!differences!among!the!types!of!biodiversity!using!a!forest!ecosystem.!
Types%of%Biodiversity% Example%Genetic%diversity%%%
%
Species%diversity%%%
%
Ecosystem%diversity%%%
%
Analyze%how!genetic!diversity!in!a!population!of!bacteria!can!help!the!bacteria!become!resistant!to!antibiotics.!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!%Main%Idea%–%The%Importance%of%Biodiversity%%(Pages%118G121)%Organize%how!humans!are!dependent!on!plants!and!animals!by!describing!ways!that!we!use!products!of!each.!!
Products%of%Animals% Products%of%Plants%%%
%%%%
Explain%how!the!health!of!the!biosphere!impacts!the!health!of!the!people.!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%5.2%Threats%to%Biodiversity%%
Objective%16G17%%New%Vocabulary:%%Use%your%book%to%define%the%terms%listed%below.%%Biological%magnification%G%__________________________________________________________%%__________________________________________________________________________________________%%edge%effect%G%__________________________________________________________________________%%__________________________________________________________________________________________%%eutrophication%G%_____________________________________________________________________%%__________________________________________________________________________________________%%__________________________________________________________________________________________%%habitat%fragmentation%G%____________________________________________________________%%__________________________________________________________________________________________%%introduced%species%G%________________________________________________________________%%__________________________________________________________________________________________%%overexploitation%G%___________________________________________________________________%%__________________________________________________________________________________________%%Main%Idea%–%Extinction%Rates%%(Pages%122G123)%Summarize%extinction!rates!by!completing!the!paragraph.!!!__________________________________________________!is!slow!and!gradual.!!It’s!!caused!!as!___________________________________!change!by!natural!processes.!!A!_______________!
!________________________________!is!an!event!in!which!extinctions!increase!!dramatically.!!Some!scientists!believe!we!are!in!a!period!of!______________________!!________________________________!today.!!Main%Idea%–%Factors%Threatening%Biodiversity%%(Pages%123G126)%!Edge!effects!!!!!
!
Introduced!Species!!!!
!
Pollution!!!!
!
Habitat!Fragmentation!!!!
!
Habitat!Loss!!!!
!
!%%%%%%
Sequence%the!series!of!events!describing!how!a!habitat!can!be!disrupted.!!!*!!Owls!that!prey!on!small!mammals!decline!*!!Deer!eat!most!of!the!young!trees!in!the!forest!*!!Squirrels!and!rabbits!that!live!in!and!around!the!trees!decline!*!!Deer!that!are!prey!for!predators!increase!in!number!*!!Birds!that!eat!the!insects!decline!*!!Overhunting!causes!natural!predators!to!disappear!*!!Insects!that!live!in!the!bark!of!the!tree!decline!
!
!!!
!
! Overhunting!causes!normal!predators!to!disappear!
!
Ferns,!which!deer!do!not!eat,!grow!instead!of!trees!
Insects!that!live!in!the!bark!of!trees!decline!
Owls!that!prey!on!small!mammals!decline!
!
!
UNIT%EIGHT:%PRINCIPLES%OF%ECOLOGY%Section%5.3%Conserving%Biodiversity%%
Objective%18G21%!
%New%Vocabulary:%%Use%your%book%to%define%the%terms%listed%below.%%Biological%augmentation%G%_________________________________________________________%%__________________________________________________________________________________________%!bioremediation%G%____________________________________________________________________%%__________________________________________________________________________________________%!endemic%G%_____________________________________________________________________________%!sustainable%use%G%____________________________________________________________________%%__________________________________________________________________________________________%Main%Idea%–%Protecting%Biodiversity%%(Pages%131G133)%Summarize%the!purpose!of!a!habitat!corridor.!!
! ! !!!__________________________________________________________________________________________!!__________________________________________________________________________________________!!__________________________________________________________________________________________!
Main%Idea%–%Restoring%Ecosystems%%(Pages%134G135)%Organize%the!factors!that!impact!how!long!it!takes!for!an!ecosystem!to!recover!after!a!disaster.!!
Factors%that%Affect%Ecosystem%Recovery%Rate%1.!!!2.!!!!Explain%the!methods!ecologists!use!to!restore!ecosystems.!!Method:!!Bioremediation!!How!it!works:!!________________________________________________________________________!!__________________________________________________________________________________________!!!Example:!______________________________________________________________________________!!Method:!!Biological!augmentation!!How!it!works:!!________________________________________________________________________!!__________________________________________________________________________________________!!!Example:!______________________________________________________________________________!!Main%Idea%–%Legally%Protecting%Biodiversity%%(Page%135)%Identify%the!law!or!treaty!designed!to!protect!biodiversity!!
Legally%Protecting%Biodiversity%%!! Enacted!1973,!protects!species!that!are!becoming!
extinct!or!are!in!danger!of!becoming!extinct!
!