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1·There are three main types of symbiotic relationships: parasitism, commensalism, and mutualism.

共生关系主要有三种类型：寄生关系、共生关系和互惠关系。

2·These are not single individual plants; each one is a symbiotic combination of an alga and a fungus.

这些不是单个的植物；每一种都是藻类和真菌的共生组合。

3·A symbiotic relationship is an interaction between two or more species in which one species lives in or on another species.

共生关系是两个或多个物种之间的相互作用，其中一个物种生活在另一个物种体内，或依靠这一物种生活。

4·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。

5·The complex interplay of species in symbiotic relationships highlights an important point about communities: Their structure depends on a web of diverse connections among organisms.

物种在共生关系中复杂的相互作用突出了群落的一个重要特点：它们的结构取决于生物之间多样的联系网络。

6·The biodegradability of tapioca starch was studied by using micropopulation symbiotic cocultures.

利用微生物种群共生共培养来研究木薯淀粉的生物降解性。

7·This relation can and should be symbiotic.

这种关系可以并且应当是相辅相存的。

8·The dog became a symbiotic partner with us, he says.

狗是人类共生的伙伴。

9·It will be the most beautiful symbiotic halo ever to halo things.

这将是所有光环之中最美丽的共生环。

10·It is a symbiotic relationship that has worked well for millions of years.

这个互利共生的关系已经持续了千百万年。

(1)symbiotic relationship共生关系；共栖关系

(1)symbiotic bacteria共生菌