Evolution and Natural Selection

A trait that makes a species better suited to survive in its environment is called a(n) _________.

Preserved remains or traces of ancient organisms are known as _________.

Which moth will be more successful in an environment where trees have returned to their original color?

A term that describes a species that no longer has any known living individuals is _________.

Definition: adaptation

The process by which organisms with traits well suited to their environment survive and reproduce at a greater rate is called _________.

What is the term for the variety of different species in a given area?

The gradual change in a species over time is known as _________.

What do we call the process by which new species arise?

An inherited characteristic that has changed over time to help an organism survive is called a(n) _________.