Environmental Impact on Organisms

Front

What does the word 'impact' mean?

Back

To have a strong effect on something.

Front

True or False: All negative impacts on an ecosystem are caused by humans.

Back

False

Front

What is a 'population' in ecological terms?

Back

A group of one or more organisms living in a particular area or habitat.

Front

What happens to tree-dwelling animals if humans clear a forest to build homes?

Back

There would be fewer tree-dwelling animals.

Front

What change does a squirrel make to its environment when it digs a hole to bury an acorn?

Back

It alters the soil and habitat.

Front

What is an ecosystem?

Back

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

Front

What does 'biome' refer to?

Back

A large area characterized by its climate, plants, and animals.

Front

What is 'adaptation' in the context of organisms?

Back

A change in an organism that helps it survive in its environment.

Front

What is the role of decomposers in an ecosystem?

Back

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

Front

What is biodiversity?

Back

The variety of different species of plants and animals in an ecosystem.