Life Science Test Review

Front

Energy decreases by ___ as you move through a food chain.

Back

9/10

Front

Order the following from smallest to largest: organism, population, community, ecosystem.

Back

organism, population, community, ecosystem

Front

Food, space, temperature, and disease can stop a population from increasing in size. These are known as __________.

Back

limiting factors

Front

When all of the food chains in an ecosystem combine, it forms a __________.

Back

food web

Front

Mutualism is a _______ relationship.

Back

+ / +

Front

What is a food chain?

Back

A sequence that shows how energy and nutrients flow from one organism to another.

Front

Define ecosystem.

Back

A community of living organisms and their interactions with their environment.

Front

What is the role of producers in an ecosystem?

Back

Producers create energy through photosynthesis, forming the base of the food chain.

Front

What is a consumer?

Back

An organism that eats other organisms for energy.

Front

Define population in ecological terms.

Back

A group of individuals of the same species living in a specific area.