动物种类

This sewage - consuming biological process depends on a closely intorrelated succession of species of animal plankton.

这种污水的生物净化过程就依赖着浮游动物种类的一种密切相关的演替。

The other species examined was the European common frog, Rana temporaria.

其它用来做实验的动物种类包括，欧洲青蛙和树蛙。

Many species of animals have been made extinct.

许多动物种类已被灭绝了。

There are millions of species of animals.

而动物种类有几百万种。

Wutai County animal species more than 142 kinds of birds, 41 kinds of mammals.

五台县境内动物种类多，鸟类142种 、 兽类41种。