各种珍贵动物图片
动物的概念动物是生物界中的一大类。一般不能将无机物合成有机物,只能以有机物(植物、动物或微生物)为食料,因此具有与植物不同的形态结构和生理功能,以进行摄食、消化、吸收、呼吸、循环、排泄、感觉、运动和繁殖等生命活动。动物的分类动物学根据自然界动物的形态、身体内部构造、胚胎发育的特点、生理习性、生活的地理环境等特征,将特征相同或相似的动物归为同一类.
The concept animal of animal is a major type in the animate nature.Can't synthesize inorganic matter generally organic matter, can take organic matter(plant, animal or microorganism) as a food to anticipate, so have to absorb, digest, absorb, breathe, circulate, excrete, feel by carrying on with the plant different appearance structure and physiology function, sport with breed etc. life activity.The characteristics, physiology temperament that the classification zoology of animal develops according to the structure, embryo of the appearance, body inner part of nature animal, life of geography environment etc. characteristic, classify characteristic homology or the animal of likeness same type.