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1 | | The study of Dall sheep and wolves in Danali National Park conducted by Murie supported the theory that only the young, old, and weak fall prey to wolf attacks. |
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| | A) | TRUE |
| | B) | FALSE |
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2 | | In a stable age distribution, the proportion of individuals in each age class is . |
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3 | | When judging whether an observed value differs significantly from the theoretical expected value, scientists use a level of significance of _______. |
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| | A) | P<0.05 |
| | B) | P>0.05 |
| | C) | less than 1 chance in 20 |
| | D) | P = 0.99 |
| | E) | a and c are correct |
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4 | | Africanized honeybees are identical to European honeybees in dispersal, distribution, colony formation, and climate requirements, but they differ in body color. |
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| | A) | TRUE |
| | B) | FALSE |
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5 | | Which of the following is an example of a species with an expanding geographic range? |
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| | A) | collard dove |
| | B) | Dall sheep |
| | C) | European kestrel |
| | D) | water fleas |
| | E) | b and c are correct |
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6 | | Which of the following is NOT a mechanism for maintaining a position in a stream? |
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| | A) | streamlined body shape |
| | B) | bottom dwelling |
| | C) | adhering to rocks |
| | D) | flattened body shape |
| | E) | none of the above |
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7 | | A study involving a Costa Rican snail, which consists of stationary and migrating subpopulations, is an example of the . |
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8 | | Daphnia magna is often used in pollution studies because they reproduce asexually, have a short generation time, and can be easily grown in the lab because they are filter feeders. |
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| | A) | TRUE |
| | B) | FALSE |