Zooplankton, tiny animals adapted to an existence in the oce
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03 Sep 2024, 22:50
17. It can be inferred from the passage that which of the following is true of appendicularians?
(A) They are exclusively carnivorous.
No evidence in the passage.
(B) They have more than one method of obtaining food.
No evidence in the passage.
(C) They can tolerate frigid water.
Yes.
Found in all the oceans of the world, including the Arctic Ocean, appendicularians tend to remain near the water's surface where the density of phytoplankton is greatest.
(D) They can disguise themselves by secreting mucus.
No evidence in the passage.
(E) They are more sensitive to light than are other zooplankton.
No evidence in the passage.
18. The author is primarily concerned with
(A) explaining how appendicularians obtain food
Yes. The whole paragraph describes this process, the first sentence asserting that they use a clever mechanism to obtain food, which is explained in the rest of the passage.
(B) examining the flotation methods of' appendicularians
No.
(C) mapping the distribution of appendicularians around the world
No.
(D) describing how appendicularians differ from other zooplankton
No.
(E) comparing the various types of balloons formed by appendicularians
No.
19. According to the passage, all of the following are descriptive of appendicularians EXCEPT
(A) tailed
No, mentioned in the passage.
(B) vegetarian
No, mentioned in the passage.
(C) small-sized
No, mentioned in the passage.
(D) single-celled
Yes, not mentioned in the passage.
(F) ocean-dwelling
No, mentioned in the passage.
20. The passage suggests that appendicularians tend to remain in surface waters because they
(A) prefer the warmer water near the surface
No.
(B) are unable to secrete mucus at the lower levels of the ocean
No.
(C) use the contrast of light and shadow at the surface to hide from predators
No.
(D) live in balloons that cannot withstand the water pressure deeper in the ocean
No.
(E) eat food that grows more profusely near the surface
Yes.
Found in all the oceans of the world, including the Arctic Ocean, appendicularians tend to remain near the water's surface where the density of phytoplankton is greatest.