所以海蛤蝓吃海藻。
海藻的大部分被这种海蛤蝓消化，但是叶绿体保持完整不被消化。
The slugs digest most of the algae, but those plastids remain whole and undigested.
但是，一种不起眼的海蛤蝓竟然拥有植物那样利用太阳能的本领。
But one kind of lowly sea slug actually has the solar power abilities of a plant. Bizarre but true, the sea slug carries out photosynthesis.
一旦海蛤蝓吃饱了海藻，储备够了叶绿体，它能仅仅靠阳光就能生活最多9个月。
Once the sea slug has eaten enough algae, and gained enough plastids, it can live off just sunlight for up to nine months.
因此，一个被隔离的组织的一部分被从一个集体中移走—例如，海蛤蝓的眼睛—组织还会保持它自己的日常节奏但是当恢复到整个集体中时会采用机体的节奏。
Hence, an isolated piece of tissue removed from an organism-for example, the eye of a sea slug-will maintain its own daily rhythm but will quickly adopt that of the whole organism when restored to it.
因此，一个被隔离的组织的一部分被从一个集体中移走—例如，海蛤蝓的眼睛—组织还会保持它自己的日常节奏但是当恢复到整个集体中时会采用机体的节奏。
Hence, an isolated piece of tissue removed from an organism-for example, the eye of a sea slug-will maintain its own daily rhythm but will quickly adopt that of the whole organism when restored to it.
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