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食草动物的生活似乎很方便。树上、地下,到处都是吃的,像活在超市里一样,比人类的生活容易多了。其实,多数植物的根、茎、叶除了含有大量的水分外,剩下的大多是人类难以消化的纤维素和木质素,而动物生长所需的蛋白质和活动所需的能量(脂肪、淀粉、糖)在植物中也相当缺乏。因此,为了能吃草为生,食草动物的肠胃,活似乎很方便。树上、的,像活在超市里一样,多了。其实,多数植物的有大量的水分外,剩下的化的纤维物生长所所需的能糖)在植物中为了能吃的肠胃,
Herbivore life seems to be very convenient. Tree, underground, eat everywhere, as live in the supermarket, much easier than human life. In fact, most plants except for the roots, stems and leaves contain a lot of water, the rest are mostly human indigestible cellulose and lignin, and animal growth required for the energy needed for the activities and activities (fat, starch, Sugar) is also quite lacking in plants. Therefore, in order to eat grass for a living, herbivores stomach, live seems to be very convenient. Tree, like living in the supermarket, much more. In fact, the majority of plants have a lot of water, the remaining energy required for the growth of fibrous material) in the plants in order to eat stomach,