REVIEW TIME

It is the change in population’s genetic makeup over millions of years.

• EVOLUTION

• GENETICS

• VARIATION

• MUTATION

It is the age of early life.

• PRECAMBRIAN

• PALEOZOIC

• MESOZOIC

• CENOZOIC

It is from the Greek words “old life” and characterized by the introductions of invertebrates, vertebrates and land plants.

• PRECAMBRIAN

• PALEOZOIC

• MESOZOIC

• CENOZOIC

It is from the Greek word “middle life”. It is known as the age of dinosaurs.

• PRECAMBRIAN

• PALEOZOIC

• MESOZOIC

• CENOZOIC

It is from the Greek word “new life as the age of mammals.

• PRECAMBRIAN

• PALEOZOIC

• MESOZOIC

• CENOZOIC