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1. |
Convincing scientific evidence now indicates that:
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a)
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evolution has occurred in the past but no longer is occurring
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b) |
evolution is now occurring, but it did not occur in the past
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c) |
evolution is occurring now |
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2. |
Which of the following statements is true?
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a)
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Very few living things can create complex organic molecules out of carbon and other
common elements. |
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b)
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Only microscopic organisms begin their lives as single cells.
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c)
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Genes are segments of DNA molecules
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d)
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All living things get the energy that they need for growth, repair, and reproduction
from sun light. |
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3. |
Biologists have discovered that:
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a)
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animals obtain their specific characteristics by obtaining genes from the plants that
they eat |
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b)
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the basic simple language of the DNA code is the same for all organisms
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c)
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all species evolve at the same relatively slow rate
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d)
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B and C |
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4. |
Which of the following statements is true?
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a)
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Less than 60% of all natural populations of plants and animals have diversity--that
is, they are not clones. |
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b)
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The earth's environments have remained unchanged since the end of the last ice age.
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c)
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Humans have altered the environments of some species in order to control the direction
of their evolution. |
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d)
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none of the above |
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5. |
The most likely explanation for the fact that the Hawaiian Islands
did not have any land mammals until humans arrived is that:
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a)
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life on these islands has evolved largely independently of the rest of the world
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b)
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all of the mammals on these islands died out before people came
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c)
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the environment was unsuitable for mammals on these islands
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6. |
Rapid rates of evolution would be most expected among species that:
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a)
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mature in a few days or weeks and then reproduce
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b)
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mature very slowly and reproduce only after they are 20 years old
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c)
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have larger bodies |
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7. |
Which of the following statements is true regarding biological
evolution? |
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a)
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Evolution is genetic change in a population from generation to generation.
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b)
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The rate of evolution is essentially the same for all living species.
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c)
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A and B are both true |
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8. |
The fossil record shows that:
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a)
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most species have not evolved |
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b)
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some species are evolutionary transitions between major groups of organisms
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c)
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all species are today just as they were when they were created
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