Organisms Change over Time-Evidence of Evolution

Who was the naturalist/scientist that traveled the world to study plants and animals?

• Albert Einstein

• Charles Darwin

• Heather White

• Charles Barkley

Answer explanation

He compared similar species on different islands so he could see variations when the animals were spread apart by islands. Like tortoises that had long necks on one island and tortoises that had short necks on another island depending on if the food was low or high.

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The gradual change in species over time is called...

• Evolution

• Nucleotide

• Adaptation

• Natural Selection

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Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  
• become extinct
  

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What characteristic did Darwin observe about the finches on the Galapagos Islands?

• Their feathers

• Genotypes

• Their beaks

• Their body sizes

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Another word for adapt is ____________.

• change

• create

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Genetic differences between organisms of the same species

• Variation

• Population

• Behavior

• Environment

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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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What do you call similar structures that related species have inherited from a common ancestor?

• Natural Selection

• Analogous Structure

• Vestigial Structure

• Homologous Structure

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What do we call structures that no longer perform their original function?

• Natural Selection

• Analogous Structure

• Vestigial Structure

• Homologous Structure

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What do you call a characteristic that allows an organism to survive in an environment?

• variation

• adaptation

• selection

• overproduction

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