Biology Keystone Review Part 2

Front

What species’ DNA is most similar to the DNA of the toothed whale?

Back

Baleen Whale

Front

What is the term for the drastic reduction in genetic variation that results when a new, isolated population is established by a very small number of individuals from a larger population?

Back

The founder effect.

Front

What is an example of a mutualistic relationship between organisms?

Back

Ants protect a tree on which they feed.

Front

What does the white feathers of a snowy owl represent in terms of adaptation?

Back

It allows the owl to blend in with its environment during the winter months (snow).

Front

What is a testable hypothesis regarding frogs in a pond ecosystem?

Back

If the frogs are startled, then they will jump into the water.

Front

Define 'Adaptation' in biological terms.

Back

A trait that helps an organism survive and reproduce in its environment.

Front

What is 'Natural Selection'?

Back

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is 'Speciation'?

Back

The formation of new and distinct species in the course of evolution.

Front

What is 'Gene Flow'?

Back

The transfer of genetic variation from one population to another.

Front

What is a 'Population' in ecology?

Back

A group of individuals of the same species living in a specific area.