Microevolution

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?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

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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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Change over time

• Natural Selection
• Selective Breeding
• Homeostasis
• Evolution

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Natural Selection is driven by a change in the environment and survival of the

• Earth

• Fastest

• Fittest

• Biggest

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Bird's beaks evolve mainly due to the type of ___________________ available.

• food
• water
• shrubs
• mates

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What can happen to a species over time if some of the organisms have an advantage?

• The population will decrease
• The population will become extinct
• The population will slowly increase

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A large herd of goats lives in a field full of poison ivy.  Some goats are able to eat the poison ivy while others have become sick when they eat it. Over time the herd as a whole will tend to

• Become more likely to eat poison ivy.
• Become less likely to eat poison ivy.
• Not change in the proportion of goats that can and can not eat poison ivy.
• Eat all the poison ivy and leave only plants all the goats can eat.

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These cause variations.

• mutations
• adaptations
• a desire to change
• injuries

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Microevolution happens in

• species

• individuals

• populations

• households

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