Professor: In our last class we began talking about animal domestication. And we said it's the process whereby a population of animals is bred in captivity and becomes accustomed to being provided for and controlled by humans. Question, Jim?
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There are some bizarre dietary specialisms in the animal kingdom, but eating bone is still relatively unusual. ... The true 'bone eaters' though are the lammergeiers (also known as bearded vultures). These vultures have behavioural and anatomical adaptations that allowa diet of up to 90 per...
Ancient Egyptian cats did not closely resemble any of the five subspecies of wildcat. 题目详解 题目讨论 登录免费查看解析 还没有账号?马上注册 隐藏原文 译文 精听文本 Narrator: Listen to part of a lecture in an archaeology class. Professor: In our last class we began talking about animal domestic...
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Not exactly: There is a fundamental difference between human and animal culture.Only humans can build culturally on what generations before us have learned. This is called“cumulative culture". We don't have to keep reinventing the wheel. This is called the “ratchet(棘轮) effect". Like a ...
根据第一段"The animal's health had been in a bad state for the past month and recently worsened so much that he could no longer stand. so his treatment team decided to euthanize him.(在过去的 个月里,这只动物的健康状况一直很糟糕,最近病情严重恶化,以至于它再也站不住了,所以他的治 疗团队...
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Get ready to unleash your inner wild as we prowl into the heart of the animal kingdom, where the biggest cat in the world roams. And no, we're not talking about Barivel, the Maine coon who holds the record for the longest domestic cat in the world.
(a) What are subspecies? (b) How do they differ from species? What two types of animals make up the Myriapods? What are the taxonomic categories used to describe organisms? (a) What is notochord? (b) In which animal it is present?