Biology Class Test - Evolution

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Many plants and animals are _______ to help them survive and breed.
adapted
1 of 15
What sort of things do animals compete for?
Mates, food, space, nests.
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What is meant by 'survival of the fittest'?
The individuals best adapted to their environment survive to carry on the species.
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Why do fish lay millions of eggs and flowers make thousands of seeds?
Very few will survive in each generation.
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Who put forward the 'theory of natural selection'?
Charles Darwin and Alfred Russel Wallace.
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Give one example of natural selection.
Bacteria resistant to antibiotics.
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Which type of peppered moth was able to survive in areas where the bark of trees is covered in lichen?
The pale, speckled form.
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Why are dark forms of the peppered moth not common in these areas?
They show up against the light background and are eaten by birds.
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The remains of a dead organism preserved in rocks of the Earth's crust.
A fossil.
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How can fossils give us evidence for evolution?
Fossils in different rock layers tell us what sort of life existed in that time.
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Archaeopteryx lived 150 million years ago. Fossil remains show that it had feathers, scales and teeth. It might have been a common ancestor of which 2 groups?
Reptiles or birds.
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These reptiles dominated the Earth 200 to 65 million years ago.
Dinosaurs.
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What do we call it when a species of animal or plant dies out?
Extinction.
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Give 2 examples of extinct animals.
The dodo, the giant otter.
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What do we call protecting wildlife by preserving the environment?
Conservation.
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Other cards in this set

Card 2

Front

What sort of things do animals compete for?

Back

Mates, food, space, nests.

Card 3

Front

What is meant by 'survival of the fittest'?

Back

Preview of the front of card 3

Card 4

Front

Why do fish lay millions of eggs and flowers make thousands of seeds?

Back

Preview of the front of card 4

Card 5

Front

Who put forward the 'theory of natural selection'?

Back

Preview of the front of card 5
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