Evolution and Natural Selection Flashcard

Front

What is natural selection?

Back

The process by which individuals that are better suited to their environment survive and reproduce most successfully.

Front

Which of the following is an example of an adaptation?

• A polar bear's white fur.
• A tree losing its leaves in winter.
• A human learning a new language.

Back

A polar bear's white fur and a tree losing its leaves in winter.

Front

What can cause extinction?

Back

All of the above: Natural disasters, Human activities, Changes in climate.

Front

Biodiversity

Back

The variety of life in a particular habitat or ecosystem.

Front

Who developed the Linnaean System of Classification?

Back

Carl Linnaeus.

Front

What is the primary mechanism of evolution according to Darwin?

Back

Natural Selection.

Front

Which level of classification is broader, genus or species?

Back

Genus.

Front

What is an example of a behavioral adaptation?

Back

Birds migrating south for the winter.

Front

Why is genetic variation important for natural selection?

Back

It provides a mechanism for populations to evolve over time.

Front

What is the ultimate source of genetic variation?

Back

Mutation.