Chapter 25

The History of Life on Earth

Journey through 4 billion years of life on Earth. Master key evolutionary events and geological time - context for all biology.

6 Hours

Olympiad 4/5

Intermediate

NEETRequired

MCATRequired

AP BiologyRequired

IB BiologyRequired

USABO

4/5

BBO

4/5

INBO

4/5

IBO

4/5

Key Topics Covered

Geological time scale

Origin of life hypotheses

Mass extinctions

Major evolutionary transitions

Continental drift and evolution

Navigate the geological time scale

Explain origin of life theories

Describe major mass extinctions

Connect continental drift to biogeography

Basic eras, origin of life experiments, and major evolutionary events are tested in NEET evolution section.

Olympiads test major transitions, fossil interpretation, radiometric dating, and Cambrian explosion significance.

Get personalized tutoring on The History of Life on Earth from expert faculty.

Free demo class • No commitment required