B1.7 varation revsion

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  • Created by: melisa
  • Created on: 16-09-13 22:27
What does survival of the fittest mean?
Survival of the fittest means the organism best adapted to its surrounding is more likely to survive.
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Which of the following is an example of continuous variation?
Height is an example of continuous variation. Eye colour is an example of discontinuous variation.
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What is likely to happen to an individual that is poorly suited to its environment?
It will not survive to reproduce
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How is the polar bear adapted to survive the cold temperatures?
A polar bear has layers of fat and fur for insulation. A large surface area to volume ratio would mean the polar bear lost heat quickly.
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How does the Pompeii worm survive the high temperatures of the hydrothermal vent?
The thick layer of bacteria protects the Pompeii worm from the heat. The Pompeii worm does not move from its position.
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What is discontinuous variation often caused by?
Inherited variation
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Other cards in this set

Card 2

Front

Which of the following is an example of continuous variation?

Back

Height is an example of continuous variation. Eye colour is an example of discontinuous variation.

Card 3

Front

What is likely to happen to an individual that is poorly suited to its environment?

Back

Preview of the front of card 3

Card 4

Front

How is the polar bear adapted to survive the cold temperatures?

Back

Preview of the front of card 4

Card 5

Front

How does the Pompeii worm survive the high temperatures of the hydrothermal vent?

Back

Preview of the front of card 5
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