TCI L. 24 & 26 Darwin, Genes & Natural Selection

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

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

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An inherited trait evolved through natural selection that makes a population well suited to living and reproducing in its environment.

• Variation

• Adaptation

• Behavior

• Environment

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Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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What was the name of the ship Darwin traveled the world on?

• Beagle

• Chow

• Corgi

• Pug

The theory of evolution by natural selection means that what is changing over time?

• The inherited traits of a population.
• The acquired traits of a population.
• Hair color and eye color
• Attractive features.

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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

• food

• water

• shrubs

• mates

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Evolution typically happens...

• in a few weeks

• over many generations

• never

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Darwin said that within a species there will be __________

• nothing different

• variation / differences

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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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