Natural Selection

Traits that help an organism survive in a specific environment.

• Variation

• Adaptation

• Behavior

• Environment

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Where the best-adapted organisms survive to pass traits to the offspring.

• Evolution

• Natural Selection

• Extinction

• Artificial Selection

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What is the advantage of having beaks of different shapes?

• To be cool and look different from other species.

• To be able to eat the specific food

  that is available in the environment.

• To protect against predators.

• To protect against prey.

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The survival of the fittest and evolution were proposed by which scientist?

• Charles Darwin

• Albert Einstein

• Steven Hawking

• Isaac Newton

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Mutations are a change in what?

• DNA

• tRNA

• genotype

• phenotype

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Do organisms "decide" to evolve and change?

• Yes, they know they need to change to survive

• No, they change due to natural selection

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True or False

Evolution by natural selection works best in a population without variation.

• True

• False

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The hollow bones of birds, which keep birds light for flying, are an example of ________

• Inheritance

• Adaptation

• Interesting things about birds

• Variation

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What is the theory of natural selection?

• The practice by which humans select plants or animals for breeding based on desired traits.

• An inherited trait that helps an organism survive.

• Differences in traits

• Individuals that are better adapted to their environment are more likely to survive and reproduce

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The differences within a species, such as the different beaks of birds, are called _______

• Variation

• Inheritance

• Competition

• Genes

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