Science Revision

What is Natural selection?

This is the evolution of organisms best adapted to their environment. It could also be called the survival of the fittest.

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Definition of Biodiversity

It means the variety of species on Earth. This is also the genetic variation individuals within species.

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What are dark peppered moths?

There are moths which are naturally darker due to their genes. They can only survive in areas with a lot of pollution as there characteristics suit the environment. This is because they are camouflaged against the blackened trees and buildings.

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What are pale peppered moths?

These moths are camouflaged against silver birch trees and clean air. However they reduced during the industrial revolution due to the new factories increasing air pollution. Now they are increasing again but there are still more dark peppered moths.

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Two scientist that had a theory about evolution

Charles Darwin ( and Jean Baptiste Lamarck

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Other cards in this set

Card 2

Front

Definition of Biodiversity

Back

It means the variety of species on Earth. This is also the genetic variation individuals within species.

Card 3

Front

What are dark peppered moths?

Back

Card 4

Front

What are pale peppered moths?

Back

Card 5

Front

Two scientist that had a theory about evolution

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