Artificial vs Natural Selection

Which statement best describes natural selection?

• A lion eating another animal.

• A dog breeder.

• A farmer selecting the cows that will breed.

• A botanist creating a new coral colored flower.

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Which statement does not explain natural selection?

• A zoologist choosing the animals that will live at the zoo.

• Survival of the fittest.

• Eat or be eaten

• Adapt or die out, changes over time.

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Which statement best describes artificial selection/selective breeding?

• A person choose what will breed. Breeding for a desired trait.

• Survival of the fittest.

• Eat or be eaten.

• Changes over time.

Artificial Selection and Selective Breeding have the same meaning.

• True

• False

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Natural selection or Artificial/Selective Breeding?

• Natural Selection

• Artificial/Selective Breeding

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 According to natural selection, which organisms are most likely to survive?

• The fastest organisms
• The biggest organisms
• The best-adapted organisms
• The most domesticated organisms

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Which is an example of SELECTIVE BREEDING ?

(also called artificial selection)

• A giraffe’s long neck.

• Training a horse to run faster.

• Clipping a horse’s tail so it is not too long.

• Cross breeding a labrador retriever with a poodle.

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 What is 1 way selective breeding is DIFFERENT from natural selection?
(Selective breeding is also called artificial selection.)

• Selective breeding does not produce any offspring at all.
• Humans, not nature, control reproduction in selective breeding.
• Nature, not humans, controls reproduction in selective breeding.
• Animals are the only organisms that can be selectively bred, while both plants and animals can undergo natural selection.

 The diagram shows a population of ladybugs that changed over 15 years. What is the  likely explanation for this change?

• Wings are an advantageous (good) trait.
• Black spots are an advantageous (good) trait.
• Yellow coloring is an advantageous (good) trait.
• Red coloring is an advantageous (good) trait. 

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“People identify the trait they want, then only allow animals with that trait to breed with one another.” BEST matches:

• Asexual Reproduction

• Natural Selection

• Selective Breeding