Selective Breeding vs Natural Selection

 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.

When humans breed 2 organisms with specific traits to influence the traits of the next generation, it is __________.

• selective breeding
• natural selection

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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

The graph shows how a finch population changed during the past 50 years. What can you infer based on the graph? 

• Thin-beaked finches prey on wide-beaked finches.
• Wide-beaked finches are better suited for life in an ocean environment.
• Thin-beaked finches are better suited to the environment in Burke Lake.
• Wide-beaked finches are better suited to the environment in Burke Lake. 

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Natural selection or Artificial/Selective Breeding?

• Natural Selection

• Artificial/Selective Breeding

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Natural selection is

• nature decides changes over time.

• a person selecting what will breed for a desired trait.

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The differences among a species, like different bird beaks, are called

• genes.
• variations.
• traits.
• theories.

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What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

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