Natural Selection Vocab

What is natural selection?

• process in which helpful traits become more common over time

• a trait that helps an organism survive better

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Adaptations can be:

• camouflage

• ability to survive cold weather

• hunting skills

• all of the above

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Differences in traits, like multiple colors of the same bird, are called:

• natural selection

• variations

• artificial selection

• adaptations

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A species could go extinct if:

• food becomes more plentiful.

• members of the species have adaptations to enhance survival.

• the environment changes drastically and no one can adapt.

• there is less competition for resources.

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Natural selection occurs during the lifetime of a single organism.

• True

• False

What is most likely to happen to moth populations in the picture shown?

• Light moths will be hunted easily and dark moths will have a population increase.

• Dark moths will be hunted easily and light moths will have a population increase.

• Light moths and dark moths will be hunted equally.

• Lights moths will change their color to match dark moths.

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Red stag beetles and green stag beetles live in the rainforest treetops. You would expect:

• the green population to decrease and the red to increase

• both populations should stay the same

• both populations will increase

• the green population to increase and the red to decrease

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How do you "win" at natural selection?

• survive

• go extinct

• survive & reproduce

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Survival of the Fittest and Evolution were proposed by what scientist?

• Gregor Mendel

• Matthias Schleiden

• Charles Darwin

• Isaac Newton

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What is the advantage of having different shaped beaks?

• To look different from other species.
• To be able to eat the food readily available in the environment.
• To protect itself against predators.
• To protect itself against prey.

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