Front

Natural selection is:

Back

Chosen by nature and helps the organism.

Front

These moths are all the same species. The differences between their wings is an example of ________________

Back

Variation.

Front

Why is the mouse population changing over time?

Back

The hawks eat more light mice than dark mice because they can see the light mice more easily.

Front

What is the basic unit of heredity in a living organism?

Back

Gene.

Front

What is another name for natural selection?

Back

Survival of the fittest.

Front

What is adaptation?

Back

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

Front

What is artificial selection?

Back

The process by which humans breed plants and animals for particular traits.

Front

Define variation in the context of natural selection.

Back

Differences in traits among individuals of the same species.

Front

What role do predators play in natural selection?

Back

Predators can influence which traits are favorable for survival.

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism.