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Pearson Ch. 4

Life Science- Ecosystems

all the living and the nonliving things in an area and their interactions ecosystem
a place that provides all the things an organism needs to live habitat
a group of organisms of one species that live in an area at the same time population
the group of all populations in an area community
a consumer that hunts and eats another animal predator
any animal that is hunted by others for food prey
organism that makes its own food for energy producer
organism that cannot make its own food consumer
organism that gets its energy by breaking down wastes and dead organisms decomposer
a series of steps by which energy moves from one type of living thing to another food chain
a diagram that combines many food chains into one picture food web
all of the conditions surrounding an organism environment
the struggle among organisms for the same limited resources competition
any substance that damages the environment pollution
an attempt to preserve or protect an environment from harmful changes conservation
all the living organisms in an ecosystem biotic factors
all the nonliving parts in an ecosystem abiotic factors
Created by: Mrs. Mason