AP Biology: Unit 8 Review (CED)

Front

What type of behavior is exhibited when a fruit fly vibrates its wings to attract a mate?

Back

Audible behavior.

Front

What energy resource do chemosynthetic organisms use?

Back

Small inorganic molecules present in their environment.

Front

What happens to the population growth rate (dN/dt) as the population size approaches carrying capacity?

Back

It increases slowly.

Front

What material are heterotrophs unable to metabolize?

Back

Nucleic acids.

Front

What type of relationship does mistletoe have with the mesquite tree it grows on?

Back

Parasitism.

Front

Define 'carrying capacity' in an ecological context.

Back

The maximum population size that an environment can sustain indefinitely.

Front

What is the difference between autotrophs and heterotrophs?

Back

Autotrophs produce their own food, while heterotrophs consume other organisms for energy.

Front

Explain the concept of 'mutualism' in ecology.

Back

A symbiotic relationship where both species benefit.

Front

What is 'commensalism'?

Back

A relationship where one species benefits and the other is neither helped nor harmed.

Front

Define 'parasitism'.

Back

A relationship where one organism benefits at the expense of another.