Ecology EOC Review

Front

What is a keystone species?

Back

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

Front

What trend has been observed in atmospheric carbon dioxide levels since 1960?

Back

Atmospheric carbon dioxide levels have increased steadily since 1960.

Front

Why might an organism have more than one arrow coming from it in a food web?

Back

More than one organism may eat them.

Front

What happens to the carrying capacity for squirrels if part of their forest habitat is destroyed?

Back

The carrying capacity for the squirrels will decrease.

Front

Which organisms in a food web contain the lowest concentration of chemical pollutants?

Back

Producers.

Front

What is the definition of carrying capacity?

Back

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

Front

What is the role of producers in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis, forming the base of the food web.

Front

What is an invasive species?

Back

A non-native species that spreads widely in a new habitat and causes harm to the environment, economy, or human health.

Front

What is the difference between primary, secondary, and tertiary consumers?

Back

Primary consumers eat producers, secondary consumers eat primary consumers, and tertiary consumers eat secondary consumers.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.