Evolution of life on Earth

Front

What was the GREAT oxygen crisis?

Back

Oxygen was a poisonous gas.

Front

What did Miller's famous experiment simulate?

Back

What early oceans & atmosphere was like on Earth.

Front

What was the result of the Miller-Urey Experiment?

Back

Amino acids.

Front

What is the Scientific Evidence?

Back

Geology, Chemistry, Molecular.

Front

The early Earth's atmosphere was lacking:

Back

Oxygen.

Front

What is the theory of evolution?

Back

The process by which different kinds of living organisms develop and diversify from earlier forms during the history of the Earth.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What are fossils?

Back

Preserved remains or traces of ancient organisms.

Front

What is the significance of the Cambrian Explosion?

Back

A period of rapid diversification of life forms on Earth.

Front

What is genetic variation?

Back

Differences in DNA among individuals, which can lead to different traits.