SG - Unit 5

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can sustainably support.

Front

What lies underneath soil and is unweathered inorganic material?

Back

Bedrock.

Front

True or False: Developers must sometimes build new wetlands to replace those they destroy because wetlands are valuable ecosystems.

Back

True.

Front

What environmental issue can arise from mineral extraction and rainwater seeping through waste rock?

Back

Pollution of streams.

Front

How can a food web be best described?

Back

An interconnected web of food chains.

Front

What is a limiting factor in an ecosystem?

Back

Any biotic or abiotic factor that restricts the number of individuals in a population.

Front

Define ecosystem.

Back

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

Front

What is the role of decomposers in an ecosystem?

Back

They break down dead organic material, returning nutrients to the soil.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.

Front

What is the significance of wetlands in an ecosystem?

Back

Wetlands provide habitat for wildlife, improve water quality, and help in flood control.