1st 9 weeks Biology Review

Front

Why are there so few top predators present in any ecosystem?

Back

Because there is not enough energy remaining in the ecosystem.

Front

What is a molecule that has an opposite electrical charge on each end called?

Back

A polar molecule.

Front

Why is water considered a universal solvent?

Back

Because it dissolves most substances.

Front

Is carbon emissions a problem caused by desalination?

Back

False.

Front

What happens if a population grows past its carrying capacity?

Back

The population starts to die off.

Front

What is the definition of carrying capacity?

Back

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

Front

What is an ecosystem?

Back

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

Front

Define biodiversity.

Back

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

Front

What is the role of producers in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.