Download CH 3 Ecology new 2017

Chapter 3: The Biosphere Part 1
Ecology:the study of the interactions of living
organisms with each other and their environment.
BIOSPHERE: the portion of
Earth that supports life . . .
Air
Land
Water
Levels of Organization (pg. 64)
Biosphere
Biome
Ecosystem
Community
Population
Species
Organic / Biotic Factors . . .
(the living environment)
Plants
Animals
Protists
Bacteria
Fungi
 (All living things
containing carbon)
Inorganic /Abiotic factors . . .
(the non-living environment)
Wind
Temperature
Moisture
Light
Soil
Minerals
Fire
Biotic vs Abiotic Factors
Bozeman Biology
http://www.bozemanscience.com/020
-biotic-and-abiotic-factors
10.02 min
Ecological (Energy) Pyramid
Omnivores eat anything
Carnivores eat meat
Insectivores eat insects
Herbivores eat plants
Producers make own food
Trophic level =
feeding step
The 10 Percent Rule
(pg. 77)
Food chain –
shows how energy flows
producer
herbivore
omnivore
omnivore
producer
1st order
consumer
2nd order
consumer
3rd order
consumer
Food web: interconnected food
chains
Organisms
almost always
eat, and are
eaten by,
many different
organisms.
human
grass
deer
seeds
rabbit
caterpillar
snake
turkey
hawk
beetle
coyote
chicken
frog
THE END!