Front

What is it called when an organism completely dies out?

Back

Extinction

Front

Who is a relative that lived in the past?

Back

Ancestor

Front

What is the process by which individuals better suited to the environment survive and reproduce?

Back

Natural Selection

Front

What is another word for adapt?

Back

Change

Front

What do we call an organism that has similar characteristics and can reproduce?

Back

Species

Front

What is the term for the gradual change in species over time?

Back

Evolution

Front

What is a trait that helps an organism survive in its environment?

Back

Adaptation

Front

What do we call the variety of different species in an ecosystem?

Back

Biodiversity

Front

What is the process by which new species arise?

Back

Speciation

Front

What is a preserved remains or traces of an organism from the past?

Back

Fossil