Evidence for Evolution

For evolution to happen, this has to occur first:

• an organism finds a new mate
• and organism's DNA changes
• The environment in which a species lives changes
• the population increases

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A scientist should look at one of the following to determine whether or not there is a common ancestor

• how organisms migrated
• how the organism reproduces
• what the organism eats
• the larval form of the organism

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Which of these best represents a time period in which an organism could evolve?

• 5 days
• 100 years
• 10,000 years
• 2 decades

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Changes in species that allow that species to survive changes in the environment are called:

• ecosystems
• adaptations
• biomes
• alleles

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What type of beak would help a bird pick insects off a plant?

• a large thick beak
• a long thin beak
• a small short beak
• a large hooked beak

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Which scientist gets credit for developing the theory of natural selection

• Charles Darwin
• Gregor Mendel
• Benjamin Franklin
• Jean-Baptiste Lamarck

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The theory of Natural Selection is based on

• the fossil record only
• neither the fossil record nor observations of living organisms
• observations of living organisms only
• on both the fossil record and observations of living organisms

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Which of following in NOT a critial part of the theory of evolution?

• overproduction
• consistent environment
• genetic variation
• struggle to survive

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What is the most important factor that contributes to a species evolving? 

• environmental change
• how old a species is
• what the ancestors look like
• what time of year a species reproduces.

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On what continent did Charles Darwin make his observations?

• North America
• Asia
• Europe
• South America