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Test Bank for Marine Biology: Function, Biodiversity, Ecology 2E - page 2 / 44





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The following is a scientific hypothesis

a. Blue whales cannot be seen diving but they could dive to 1000 m.

b. Mermaids will come to shore in San Francisco on May 1, 2002.

c. Sea otters have gills, and therefore they can dive to great depths.

d. None of the above.

Which of the following is the best way to test a hypothesis?

a. Perform  an experiment that manipulates one environmental factor, holding the others constant.

b. Sample the environment exhaustively, and look for close correlations among ecological variables.

c. Collect a lot of information; eventually you will have enough to get the answer to your question.

d. Make sure to prove the hypothesis to be true.

After deciding upon a likely important effect it would be best to

a. Devise a sampling scheme that measures everything in the local environment to see the importance of the effect

b. Propose a null hypothesis, which should never be rejected to prove the lack of importance of the effect

c. Propose a null hypothesis, whose rejection would prove the importance of the effect

d. All of the above


a. Move only with the currents

b. Include larger fish and sea mammals

c. Include protistan and other very small plankton

d. Are defined as swimmers who can dive very deeply

Infaunal animals are found

a. Only in sea caves

b. Below the tidal zone

c. Within plants

d. Below the sediment-water interface

Animals living in association with the sea surface are called

a. Plankton

b. Krypton

c. Neuston

d. Epifaunal

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