Environmental Science - Natural Selection

A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

• Natural Selection

• Selective Breeding

• Random mutations

• Variations in a species

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The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n

• Variation

• Dominant trait

• Recessive trait

• Adaptation

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What animal is camouflaged in this picture?

• Skunk

• Squirrel

• Owl

• Snake

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Where are hereditary traits stored in all organisms?

• In the blood

• In the brain

• In the DNA

• In the heart

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Why might it be helpful for a species to have a lot of variations?

• They can't be seen by predators

• If the environment changes, they might be better able to adapt

• It is helpful in asexual reproduction

• They don't recognize each other

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If a sick person takes an antibiotic but it doesn't kill all of the bacteria causing the sickness, what might explain this?

• Variations in the bacteria allowed some organisms to be less affected by the antibiotic?

• Bacteria cannot be killed by antibiotics

• You cannot cure a bacterial infection

• Bacteria do not cause sicknesses

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Changes in inherited characteristics can cause a species to change into a new one. This change over time is called?

• Graduation

• Selective Breeding

• Revolution

• Evolution

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Which beak is probably best suited to crack open nuts?

• 1

• 2

• 3

• 4

One female salmon can lay hundreds of eggs. Why doesn't the salmon population increase dramatically?

• Salmon reproduce asexually

• Most offspring do not grow up to reproduce

• Salmon eggs don't hatch

• Salmon are extinct

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Heredity is:

• Survival of the fittest

• The passing of genetic traits from parent to offspring

• Believing in false gods

• Unexplained

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