LIFE RELATIONSHIPS

Ppt. by Robin D. Seamonhttp://www.blueplanet-energy.com/about_renewable_energy/biomass/forms.htm

Vocabulary 23: Food Chain/Web/Energy Pyramid

--Biotic factor living factors in an environment that affect living things--Abiotic factor nonliving factors in an environment that affect living things--Ecosystem a group of animals and plants interacting with each other and the environment--Predator: an animal that hunts and eats other animals--Prey: an animal that is hunted and eaten for food--Decomposer: animals that eat & break down dead things into soil nutrients

Vocabulary 24: Food Chain/Web/Energy pyramid

Consumer: Something that takes in other thingsProducer: something that makes or produces something

Scavenger: an animal that eats dead animals that something else has already killedOmnivore: an animal that eats both plants or animalsCarnivore: an animal that only eats meat (other animals)Herbivore: an animal that only eats plants

DEFINITION:

Food Chain (food web): The relationship of animals eating plants and then each other from the ‘bottom’ to the ‘top’

Energy Pyramid (energy web) the transfer of energy from bottom of the pyramid to the top

Rules:

1. Energy starts with the sun

FOOD CHAINw

ww

.yvo

nneg

raph

y.co

m/

2008

/08/

29/f

ood-

chai

ns/

Rules:

2. Number of organisms go down as you go up the pyramid (fewer predators)

3. Amount of Energy decreases as you go up the pyramid (organisms use some of it while living, stores rest in tissues)

4. Therefore the community can support fewer predators than prey or producers

ENERGY PYRAMID

http

://s

oe.u

cdav

is.e

du/s

s070

8/eg

hbal

is/

Not

es/U

11N

otes

.htm

l

ww

w.s

ugar

.ca/

engl

ish/

educ

ator

s/su

gars

cien

ce.c

fm

FOOD WEB

ww

w.b

igel

ow.o

rg/e

dhab

/fit

ting_

alga

e.ht

ml

http

://b

iolis

ciou

s.bl

ogsp

ot.c

om/

2008

/05/

com

pend

ium

-cha

pter

s-22

-24

.htm

l

POLAR

REGION

DESERT

GRASSLAND

ww

w.s

ciol

y.or

g/w

iki/E

colo

gy

Temperate

Forest

Rainforest

hom

e.ad

elph

i.edu

/~

ca17

518/

For

estB

iom

esre

v.ht

ml

OCEAN

http://www.britannica.com/EBchecked/topic-art/161817/121633/Diatoms-and-other-phytoplankton-form-the-foundations-of-ocean-food

WETLANDS

GAME: Food Chain Checkers LINK

http://eo.ucar.edu/staff/rrussell/presentations/co_sci_conf_playing_wkshop_nov_2010.html