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Ecosystems

Unit 3: Ecosystems Vocabulary

TermDefinition
Paleontologist Scientists who study fossils to learn about organisms from the past.
Sediment Bits of rock, sand, soil, shell, and other material.
Conservation Using what you need as efficiently as possible.
Fossil Fuels Nonrenewable resources such as petroleum and coal used for energy.
Population All the members of a species that live within an area of an ecosystem.
Tundra A cold ecosystem with little to no plant life or vegetation.
Extinct Species of animals that no longer exist.
Natural Resource Supplies found in nature; could be living or nonliving.
Pollution Unwanted, harmful material contaminating an environment.
Fossil The remains or mark of a living thing from long ago.
Ecosystem All living and nonliving things in an environment.
Habitat The area or place an organism lives in an ecosystem.
Competition When two or more living things need the same resources in order to survive.
Mold Fossil A shape in rock in the shape of a living thing.
Cast Fossil Minerals that fill a mold fossil and harden into the shape of the mold.
Body Fossil The whole body of an animal that is preserved in a fossil. (Ex. An insect preserved in sap.)
Created by: Clewis196q
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