Unit 8 Vocabulary

Front

Ecosystem

Back

All of the populations of organisms (biotic) and physical non-living things (abiotic) in the same environment that interact.

Front

Populations

Back

Number of one type of organism in a certain area.

Front

Biodiversity

Back

The number of different organisms living in the same environment.

Front

Competition

Back

When organisms compete for resources in an environment.

Front

Mutualism

Back

Relationship between organisms where both benefit.

Front

Parasitism

Back

Relationship between organisms where one benefits and one is harmed.

Front

Commensalism

Back

Relationship between organisms where one benefits and it does not affect the others.

Front

Ecosystem Services

Back

Beneficial things an ecosystem does to benefit humans.

Front

Abiotic Factor

Back

a non-living thing that affects populations in ecosystems

Front

Biotic Factor

Back

a living thing that affects populations in an ecosystem