Ch. 6 Change Over Time Review Game

Front

What is the most useful method for testing the hypothesis that two animal species are very distantly related?

Back

Analyzing their DNA.

Front

How might scientists determine the age of fossils found under disturbed sedimentary rocks?

Back

Radiometric Dating.

Front

What can scientists compare to tell whether organisms are closely related?

Back

DNA.

Front

What are body parts that are reduced in size with no apparent function called?

Back

Vestigial Structures.

Front

What is a trait that makes an individual different from other members of its species?

Back

Variation.

Front

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

Back

Natural Selection.

Front

What are structures in different species that are similar because of common ancestry called?

Back

Homologous Structures.

Front

What is the study of the development of embryos in different species called?

Back

Embryology.

Front

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

Back

Evolution.

Front

What is the term for the preserved remains or traces of ancient organisms?

Back

Fossils.