1. Ecology Overview
Part 1

2. 1. Definition of ecology _______________________________________________
Interrelationship between living things and their environment
2. A. ________________ - a living organism
B. ________________ - two or more of the same species
C. ________________ - two or more different species
D. ________________ - variety of organisms and their non-living, physical environment
E. ____________ - a complex region marked by specific climate, plants, & animals
F. ___________- the entire region of land, water, and
air occupied by living organisms
Individual
Population
Community
Ecosystem
Biome A C D E F B
Biosphere

3. comfortable or suitable place your time you spend.
3. ________ is the environment, like your neighborhood, whereas the ______ is like your home, a
comfortable or suitable place your time you spend.
As with homes on a street, habitats are often
_____________ in ways that allow different types
of organisms to reside in close proximity without
getting in each others’ way.
Habitat
niche
partitioned
Identify the location of the anole lizards in their niche

4. Different species of Warblers are able to live in the same habitat/tree because _________________________
they occupy different niches

5. Terrestrial (land) Biomes4
Tropical Rainforest
Savanna/Grasslands
Desert
Dry, seasonal temps, sparse vegetation
Warm, Seasonal wet/dry, fire-adapted grasses, herbivores
very wet
always warm
great diversity
Terrestrial (land) Biomes
Deciduous Forest
Coniferous Forest/Taiga
Tundra
Gymnosperms (cone-bearing trees), cool to cold year round
Adequate rain, seasonal temps, plants go dormant in winter, shed leaves
Permafrost, low lying vegetation,
Cold year round

6. Aquatic Biomes 5 Ponds, Lakes Freshwater Streams, Rivers Biomes
Wetlands
Marsh, Swamps, Bogs
Oceans
Marine
Biomes
Coral Reefs
Estuaries

7. 6. Food relationships living
a. _______________ - a model that looks at the amount of _____ _____
b. ___________ - a ________hierarchy, showing the _________ relationships and ___________ amongst organisms in an ecosystem.
c. ___________ - a ________ ________ of interacting ___________ making up an ecosystem.
d. ___________ - an animal that eats others
e. ___________ - an animal that is hunted and eaten by another animal
Biomass Pyramid
living
matter
Food Chain
linear
feeding
energy flow
Food Web
complex
network
Food Chains
Predator
Prey
1 kg
10 kg
100 kg
1000 kg
Add the Biomass values

8. 6. Food relationships - continued
f. _______________ (potential food)
1. ___________ - make their own food __________ - ________
2. ___________ - depends on an outside source for food __________
a. _________ - eat plants
b. _________ - eat meat (other animals)
c. _________ - eat both plants and animals
d. _________ - eat dead and decaying plants/animals ___________
Trophic Levels
Autotrophs
(producers)
plants
Heterotrophs
(consumers)
Herbivores
Carnivores
Omnivores
Detritivores
(decomposers)

9. Energy Pyramid
What pattern do you see with the amount of energy moving to the next trophic level?

10. What is the difference between a food chain and a food web?
How many tropic levels are shown?
What is the producer?
Consumer - herbivore, carnivore, omnivore?
What is the difference between a food chain and a food web?