食肉生物分食肉动物和食肉植物两种。
这些食肉细菌被认为是由腐生物进化而来。
These predatory bacteria are thought to have evolved from saprophages.
他们揭露了生物的蓝色光束，可能来源于某个会发光的食肉动物也可能是受到其他的刺激，如通过的阴影。
They exposed the creatures to a beam of directed blue light, as might come from certain bioluminescent predators, as well as to other stimuli such as passing shadows.
之前做过包括水生食肉哺乳动物等活体动物实验显示，污染物质能对海洋生物产生有害作用。
Prior research on laboratory animals, including captive aquatic carnivorous mammals, has shown that the pollutants "can cause deleterious effects," she said.
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