Ecosystems

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

Definition Example Organism Population Community Ecosystem

Organism one individual from a population. A deer

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

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

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

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

Ecosystems…back of 63

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?