1. Ecosystems

2. Ecosystems…64
Abiotic-non-living factors in the environment (ex. The sun, water, sand) Biotic - a living part of an ecosystem (plants and animals)

3. Definition
Example
Organism
Population
Community
Ecosystem

4. Organism
one individual from a population.
A deer

5. All of the oak trees in the forest
Population
all of the individuals of one species that live in the same area
All of the oak trees in the forest

6. All of the deer, falcons and trees in the same area
Community
the populations of different species that interact.
All of the deer, falcons and trees in the same area

7. All of the deer, falcons and trees, air, sunlight in the same area
Ecosystem
All of the biotic and the abiotic factors they interact with.
All of the deer, falcons and trees, air, sunlight in the same area

8. Definition Example Organism Population Community Ecosystem
Factors that affect populations:
Food
Air
water
Space
Population
Community
Ecosystem

9. Ecosystems…back of 63

10. HABITAT-the natural environment of an organism (where they live)
NICHE- the position or function of an organism in a community of plants and animals (ROLE)
type of food it eats, how it obtains food, what organisms eat it
HABITAT-the natural environment of an organism (where they live)
What role does the antelope play?
What role does the lion play?
What role does the grass play?