biology presentation variety of life and classification luk yui see 6b(17)
TRANSCRIPT
![Page 1: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/1.jpg)
Biology PresentationBiology Presentation
Variety of life and ClassificVariety of life and Classificationation
Luk Yui See 6B(17)Luk Yui See 6B(17)
![Page 2: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/2.jpg)
Five Kingdoms of Five Kingdoms of organismsorganisms
Kingdom ProkaryotaKingdom ProkaryotaKingdom ProtoctistaKingdom ProtoctistaKingdom FungiKingdom FungiKingdom PlantaeKingdom PlantaeKingdom AnimaliaKingdom Animalia
![Page 3: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/3.jpg)
Kingdom ProkaryotaKingdom Prokaryota
•Unicellular and colonialUnicellular and colonial•including true including true bacteriabacteria
![Page 4: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/4.jpg)
Kingdom ProkaryotaKingdom Prokaryota•Shape: spherical/rod-Shape: spherical/rod-
shaped /helicalshaped /helical•Example:Example:
Rod-shapedRod-shaped
![Page 5: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/5.jpg)
Kingdom ProtoctistaKingdom Protoctista•Unicellular protozoans and Unicellular protozoans and
unicellular & multicellular alunicellular & multicellular algaegae
•Mostly aquatic and live in seMostly aquatic and live in seawater, freshwater ponds, lawater, freshwater ponds, lakes and streams.akes and streams.
![Page 6: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/6.jpg)
Kingdom ProtoctistaKingdom Protoctista• Example: Example: Coralline Alga (Calliarthron
tuberculosum)
![Page 7: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/7.jpg)
Kingdom FungiKingdom Fungi
•Have no true roots, stems aHave no true roots, stems and leaves and vascular bunnd leaves and vascular bundlesdles
•Hyphae for anchorage and aHyphae for anchorage and absorptionbsorption
•Lack chlorophyll->saprophyLack chlorophyll->saprophytictic
![Page 8: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/8.jpg)
Kingdom FungiKingdom Fungi
•Example:Example:
![Page 9: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/9.jpg)
Kingdom PlantaeKingdom Plantae•Eukaryotic, photosynthetic Eukaryotic, photosynthetic
organisms (contains organisms (contains chlorophyll)chlorophyll)»MossesMosses»FernsFerns»GymnospermsGymnosperms»AngiospermsAngiosperms
![Page 10: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/10.jpg)
MossesMosses•Primitive land plantsPrimitive land plants•Possess tiny rhizoids Possess tiny rhizoids •Upright, stem-like Upright, stem-like
structurestructure•Do not have vascular Do not have vascular
tissuetissue
![Page 11: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/11.jpg)
MossesMosses•Example: Example:
mosses in gorge
![Page 12: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/12.jpg)
FernsFerns•A group of terrestrial A group of terrestrial plantsplants
•Grow in shady and Grow in shady and humid places humid places
•Posses stems, leaves Posses stems, leaves and vascular tissueand vascular tissue
![Page 13: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/13.jpg)
FernsFerns•Example:Example:
![Page 14: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/14.jpg)
GymnospermsGymnosperms• Naked seedsNaked seeds• No fruit because no ovaryNo fruit because no ovary• Usually cones on which sporangiUsually cones on which sporangi
a and spores developa and spores develop•No vessels in xylem, only trachei
ds, no companion cells in phloem
![Page 15: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/15.jpg)
GymnospermsGymnosperms•Example:Example:
![Page 16: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/16.jpg)
AngiospermsAngiosperms• Seeds enclosed in ovarySeeds enclosed in ovary• Produce flowers in which Produce flowers in which
sporangia and spores developsporangia and spores develop• After fertilization, ovary develops After fertilization, ovary develops
into a fruitinto a fruit• Xylem contains vessels; phloem Xylem contains vessels; phloem
contains companion cellscontains companion cells
![Page 17: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/17.jpg)
AngiospermsAngiosperms•Example:Example:
angiospermangiospermss
angiospermmonocot
![Page 18: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/18.jpg)
Kingdom AnimaliaKingdom Animalia
•Multicellular animals, wMulticellular animals, without cell walls and witithout cell walls and without photosynthetic pighout photosynthetic pigments, forming diploid ments, forming diploid blastulablastula
![Page 19: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/19.jpg)
• Chordates-posses notochordChordates-posses notochord• a single, dorsal and hollow nerve a single, dorsal and hollow nerve
cordcord• paired gill slits developed on the paired gill slits developed on the
sides of the embryonic pharynx.sides of the embryonic pharynx.»FishesFishes»AmphibiansAmphibians»ReptilesReptiles»BirdsBirds»MammalsMammals
Kingdom AnimaliaKingdom Animalia
![Page 20: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/20.jpg)
Kingdom AnimaliaKingdom Animalia•ChnidariansChnidarians•AnnelidsAnnelids•MolluscsMolluscs•ArthropodsArthropods•EchinodermsEchinoderms
![Page 21: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/21.jpg)
FishesFishes• AquaticAquatic• Stream-lined body, propulsive tailStream-lined body, propulsive tail• Paired pectoral and pelvic finsPaired pectoral and pelvic fins• Unpaired median fins to maintain Unpaired median fins to maintain
stabilitystability• Gills as respiratory organsGills as respiratory organs• Single circulationSingle circulation• Prominent lateral line systemProminent lateral line system• Exoskeleton of scalesExoskeleton of scales
![Page 22: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/22.jpg)
FishesFishes•Example:Example:
![Page 23: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/23.jpg)
AmphibiansAmphibians• Smooth most skin without scales (act Smooth most skin without scales (act
as respiratory surface)as respiratory surface)• No external earNo external ear• Semi-terrestrial; dependent on fresh Semi-terrestrial; dependent on fresh
water for developmentwater for development• External fertilizationExternal fertilization• Urea and ammonia excretedUrea and ammonia excreted• Teeth uniform, only one type of tooth Teeth uniform, only one type of tooth
in dentitionin dentition
![Page 24: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/24.jpg)
AmphibiansAmphibians•Example:Example:
![Page 25: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/25.jpg)
ReptilesReptiles• Dry hard scalesDry hard scales• Lungs as respiratory organsLungs as respiratory organs• No pinna to earNo pinna to ear• Uric acid excretedUric acid excreted• Internal fertilizationInternal fertilization• Completely adapted to life on dry, both iCompletely adapted to life on dry, both i
n adults and during developmentn adults and during development
![Page 26: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/26.jpg)
ReptilesReptiles•Example:Example:
![Page 27: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/27.jpg)
BirdsBirds• Body covered by feathersBody covered by feathers• EndothermicEndothermic• Bones are light and strongBones are light and strong• Lungs as the respiratory organsLungs as the respiratory organs• Fore Pectoral limbs modified to wingsFore Pectoral limbs modified to wings• No teethNo teeth• No pinnaNo pinna• Bipedal method of walkingBipedal method of walking• Internal fertilizationInternal fertilization• Uric acid excretedUric acid excreted• Acute sense of light, colour vision, extensive visual Acute sense of light, colour vision, extensive visual
fieldfield
![Page 28: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/28.jpg)
BirdsBirds•Example:Example:
![Page 29: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/29.jpg)
MammalsMammals• EndothermicEndothermic• Skin covered by hairSkin covered by hair• Lungs as respiratory organs, diaphrLungs as respiratory organs, diaphr
agm present to increase efficiency oagm present to increase efficiency of the respiratory systemf the respiratory system
• Pinna presentPinna present• Internal fertilizaionInternal fertilizaion
![Page 30: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/30.jpg)
MammalsMammals•Example:Example:
![Page 31: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/31.jpg)
ChnidariansChnidarians• Diploblastic metazoa: ectoderm and enDiploblastic metazoa: ectoderm and en
doderm separated by mesogloeadoderm separated by mesogloea• Tissue level of organization achievedTissue level of organization achieved• The body wall encloses a central digestThe body wall encloses a central digest
ive cavity called enteronive cavity called enteron• No respiratory, circulatory or excretory No respiratory, circulatory or excretory
systemsystem• body is radial symmetricalbody is radial symmetrical• presence of nematoblastpresence of nematoblast
![Page 32: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/32.jpg)
ChnidariansChnidarians•Example:Example:
![Page 33: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/33.jpg)
AnnelidsAnnelids•Matamerically segmentedMatamerically segmented•Triploblastic coelomateTriploblastic coelomate•Body covered with thin cuticBody covered with thin cutic
lele•Chaetae typically presentChaetae typically present•Closed circulatory systemClosed circulatory system
![Page 34: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/34.jpg)
AnnelidsAnnelids•Example:Example:
![Page 35: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/35.jpg)
MolluscsMolluscs• triploblastic coelomate triploblastic coelomate • soft body divided into head, foot and vissoft body divided into head, foot and vis
ceral mass ceral mass • shell may be one spiral piece or with 2 vshell may be one spiral piece or with 2 v
alves joined by ligaments, or may be encalves joined by ligaments, or may be enclosed inside the mantle losed inside the mantle
• blood contains respiratory pigment, circblood contains respiratory pigment, circulated through an open circulatory systeulated through an open circulatory system m
![Page 36: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/36.jpg)
MolluscsMolluscs•Example:Example:
![Page 37: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/37.jpg)
ArthropodsArthropods• bilaterally symmetric bilaterally symmetric • metamerically segmented metamerically segmented • coelomate ,but body cavity consists of a coelomate ,but body cavity consists of a
haemocel, and the coelom is much reduhaemocel, and the coelom is much reduced to cavities of the gonads and the excced to cavities of the gonads and the excretory organs retory organs
• chitinous jointed exoskeleton chitinous jointed exoskeleton • open blood system open blood system
![Page 38: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/38.jpg)
ArthropodsArthropods•Example:Example:
![Page 39: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/39.jpg)
EchinodermsEchinoderms• penta-radial symmetrical penta-radial symmetrical • star-shaped star-shaped • with calcerous spines on upper surface with calcerous spines on upper surface • possession of a water vascular system, a cpossession of a water vascular system, a c
omplex tubes surrounding the mouth and omplex tubes surrounding the mouth and passing into the arms and tube feet passing into the arms and tube feet
• anus in the centre of aboral surface anus in the centre of aboral surface • mouth in the middle of oral surfacemouth in the middle of oral surface
![Page 40: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/40.jpg)
EchinodermsEchinoderms•Example:Example:
![Page 41: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/41.jpg)
ReferencesReferences
• Yahoo search engine (for Yahoo search engine (for pictures)pictures)
• http://waynesword.palomar.edu/trfeb98.htm
• http://www.edp.ust.hk/biol/hkal/AL_classification/AL_classification.htm
• Advanced-level Biology for Hong Advanced-level Biology for Hong Kong-Y.K. HoKong-Y.K. Ho
![Page 42: Biology Presentation Variety of life and Classification Luk Yui See 6B(17)](https://reader034.vdocuments.us/reader034/viewer/2022051517/56649ed95503460f94be70fa/html5/thumbnails/42.jpg)