Environmental Review

Front

What are the levels of ecological organization in increasing order?

Back

Community, ecosystem, biosphere.

Front

What is an example of a population?

Back

All the squirrels in the park.

Front

What is the initial source of energy in every ecosystem?

Back

The sun.

Front

What does carrying capacity refer to in an ecosystem?

Back

The maximum population size of a species that an environment can sustain indefinitely.

Front

True or False: Biodiversity helps maintain a stable ecosystem.

Back

True.

Front

Define 'ecosystem'.

Back

A community of living organisms and their physical environment interacting as a system.

Front

What is 'biodiversity'?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is a 'community' in ecological terms?

Back

A group of different species that live together in one area.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organisms and recycle nutrients back into the soil.

Front

What is the difference between a 'population' and a 'community'?

Back

A population is a group of individuals of the same species, while a community includes different species living together.