It usually comes from animal and plant life.

通常来自动植物。

They are all mini eco-systems and contain a huge diversity of animal and plant life.

它们都是小型生态系统，并包含了多种多样的动植物。

They found coral reefs make many sounds and are full of animal and plant life.

他们发现珊瑚礁会发出很多声音，而且珊瑚礁周围充满着动植物。

So, at the end of the ice age there would have been enormous changes in animal and plant life.

所以在冰河世纪的末期，动植物发生了巨大的变化。

Methane can come from animal and plant life, as well as the environment.

甲烷可以来自动植物生命，也可以来自环境。

Mars Has Been Terraformed Well before the year 3000, Mars has been turned into a planet that's able to support a wide variety of animal and plant life.

火星已实现地球化 早在公元 3000 年之前，火星就已变成一个能够支持多种动植物生存的行星。

The most famous destination during the voyage of the 'Beagle' was the Galapagos Islands of the coast of South America, where Darwin spent five weeks studying a variety of animal and plant life, including finches, tortoises, and mockingbirds in particular.

“小猎犬号”航行中最著名的目的地是南美洲海岸的加拉帕戈斯群岛，达尔文在那里花了五周时间研究各种动植物，包括雀鸟、乌龟，尤其是嘲鸫。