A scientists who studies fossils
The place where an organism lives.
Each major division of the geologic time scale.
An animal that goes into a deep sleep that helps it survive the winter.
To help them hide, some animals blend into their environment.
To move to another region when seasons change.
When the last member of a species dies.
The role of an organism in its environment.
Something that helps an organism survive (e.g. can be physical or behavioral)
The preserved traces and remains of an organism that lived long ago.