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Ch 4 Science

Ecosystems

TermDefinition
producer plants that make their own food
ecosystem an environment where all the living and nonliving things interact
consumer living things that eat other living things
habitat area or place where organisms live in an ecosystem
herbivore an animal that eats plants
population all the members of one species that live within an area of an ecosystem
fossil remains or mark of an animal or plant that lived long ago
food chain the transfer of energy from one organism to another by eating and being eaten.
carnivore an animal that eats meat
extinct no longer existing as a species
food web system of overlapping food chains in which the flow of energy branches out in many different directions
omnivore animal that eats smaller animals and plants
paleontologist a scientist who studies fossils
competition occurs when two or more living things need the same resources in order to survive
decomposer organism that breaks down plant and animal waste and remains
Created by: mmcclure4