24. These unassignable animals include a large swimming predator called Anomalocaris and a soft-bodied animal called Wiwaxia, which ate detritus or algae.
25. Parasitism is a kind of predator-prey relationship in which one organism, the parasite, derives its food at the expense of its symbiotic associate, the host.
寄生是一种捕食者与被捕食者之间的关系，寄生者利用共生伙伴——宿主来获取食物。
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26. The other group maintains that recent human activities ranging from physical coral destruction through pollution to predator removal have triggered these events.
另一个组织认为，最近的人类活动，从自然的珊瑚破坏到污染，再到捕食者的消失，都引发了这些事件。
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27. He found that strongty-lateralised individuals were able to feed twice as fast as wealdy-lateralised ones when there was a threat of a predator looming above them.
他发现，当掠食者的威胁逼近时，强侧化个体的进食速度是弱侧化个体的两倍。
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28. When experimental populations are set up under simple laboratory conditions, the predator often exterminates its prey and then becomes extinct itself, having nothing left to eat.
29. The seal's longer excursions underwater, during which it appears to be either exploring distant routes or evading a predator, do evoke the diving response seen in the laboratory.
30. The seal's longer excursions underwater, during which it appears to be either exploring distant routes or evading a predator, do evoke the diving response seen in the laboratory.
