問題詳情
2. Which one is the best answer that how do corals react when sea water temperatures are too high?
(A)They reproduce in large numbers.
(B) They slow down their shell-building processes.
(C) They migrate to areas with lower water temperatures.
(D)They expel their symbiotic algae.
(E)They produce more pigment.
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增
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