踪迹几乎遍布地球每一个角落,种类最多的生物种群是什么?答案是甲虫。它们出现在地球上的时间很早,在距今2亿7千万年前的二叠纪,粪球金龟的祖先——原始的甲虫就已经出现在地球上了,比哺乳动物出现的时间还早五六千万年呢。甲虫是纲鞘翅目昆虫的俗称,共同的特点是全身包裹着坚硬的壳(即外骨骼),已知种类多达40余万种。长鼻子怪物——象鼻甲虫甲虫中种类最丰富的类群,当属象鼻虫科,超过4万种。象鼻虫就 Trace almost everywhere in every corner of the globe, what is the largest species of biological populations? The answer is the beetle. They appeared on Earth very early, and in the Permian 270 million years ago, the ancestor of the dung beetle, the original beetle, had appeared on Earth even longer than the mammal’s appearance As early as fifty or sixty million years it. Beetles are common names of Coleoptera insects, and their common feature is the whole body is wrapped in a hard shell (ie, exoskeleton), with as many as 40 million species known. Long-nose monster - The most abundant taxon in the group of beetle beetles, which belongs to the Department of Weevil, with more than 40,000 species. Weevil on the