Ecosystems

Front

The fennec, arctic, and gray foxes have different appearances because

Back

they have adapted to different environments

Front

Which statement about adaptations is true? Options: Adaptations include body structures but not behaviors., Adaptations occur when one individual develops better survival characteristics., Adaptations develop during the lifetime of an individual., Adaptations occur when survival characteristics are passed from one generation to another.

Back

Adaptations occur when survival characteristics are passed from one generation to another.

Front

What happens to a species that cannot adapt to changing conditions in its environment?

Back

The species may become extinct.

Front

Which type of organisms get energy by breaking down the remains of dead organisms?

Back

decomposers

Front

How is a food chain related to a food web?

Back

Food chains make up a food web.

Front

An organism that harms another in a symbiotic relationship is a

Back

parasite

Front

What type of interaction does the diagram above show?

Back

food web

Front

Why does the amount of available energy decrease at higher levels of the energy pyramid?

Back

Some energy is used by organisms at each level for their own life processes.

Front

When different species with similar needs live in an ecosystem with limited resources, what will happen?

Back

They will compete for available resources.

Front

Barnacles live on the side of a whale. The barnacles benefit but do not help or harm the whale. What kind of relationship is this?

Back

commensalism