Artificial Selection

What is a genetic characteristic that allows an organism to survive and reproduce?

• Population

• Generation

• Adaptation

• Predominance

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A characteristic or quality of an organism that is genetically inherited from one generation to the next is known as –

• A variation

• A gene

• A trait

• A mutation

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The process where organisms best fit for the environment are more likely to survive and reproduce.

• Artificial selection

• Natural Selection

• Population

• Variation

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The process through which humans breed animals and plants for desired traits.

• Natural Selection

• Artificial Selection

• Population

• Variation

All rabbits living in a particular area would be an example of a(n):

• Population

• Species

• Individual

• Adaptation

The differences among a species, like large and small bird beaks, are called:

• Species

• Breeds

• Variations

• Favorable traits

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Some plants have developed a thick, waxy coating that helps prevent the loss of water. In order for plants to develop this thick, waxy coating over many generations, what must be true?

• The plants must have variation in the amount of waxy coating

• The plants must be able to absorb water directly from the air.

• The plants must live in an area with heavy rainfall.

• The plants must produce wax that animals are able to eat.

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This illustration provides information on four variations in the size and shape of antlers in a population of moose. In order to grow antlers, a male moose must use a large amount of the energy it gets from food. In an environment where food resources are limited, which type of antler would be more common?

• A

• B

• C

• D

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The data provide evidence that best supports the claim that these chickens are being bred for which characteristic?

• Fewer white feathers

• Larger bodies

• Shorter beaks

• More tail feathers

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Greyhounds are dogs with long, powerful legs and slim bodies that make them very fast runners. Which of the following best describes how humans were able to engineer this breed of dog?

• For many generations, these dogs were allowed to run freely in large, open fields.

• Dogs that were slower than others were given exercise and trained to run fast.

• Over many years, all the dogs were fed diets high in protein and vitamins.

• In every generation, only those dogs with the desired traits were allowed to reproduce.

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