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4th grade chapter 4

Ecosystems

TermDefinition
producer living thing that eats its own food
ecosystem all of the living and nonliving things in an environment and the many ways they interact
consumer living things that eat other living things
habitat area or place where an organism lives in an ecosystem
herbivore animal that eats plants
population all of the members of one species that live within an area of an ecosystem
fossil remains or mark of animal that lived long ago
food chain the transfer of energy from one organism to another by eating and being eaten
carnivore animal that gets food by eating other animals
extinct no longer existing as a species
food web system of overlapping food chains in which the flow of energy branches out in many directions
onmivore animals that eat plants and other animals
paleontologist a scientist who studies fossils
competition occurs when 2 or more organisms need the same resources in order to survive
decomposer organism that breaks down plant and animal remains
Created by: Alvira
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