therefore ensuring the traits desired will be fixed and passed on to the next generation. However,inbreeding andlinebreedingalso pass on diseasesand also make sure they are part of the next generations. It is a very useful tool when dealing with simple biological beings, but for animals such ...
根据题干中的关键词Past experiments和selective breeding可定位至文章第二段第一句,由“Past experiments have demonstrated that it is relatively easy through selective breeding to make rats,honey bees and—that great favourite of researchers fruit flies a lot better at learning.”可知,以往的实验证明人们...
Kirkwood, J. K. (2010). Introduction Darwinian selection, selective breeding and the welfare of animals. Animal Welfare, 19(S): 1-5.Kirkwood J.K. (2010). - Introduction: Darwinian selection, selective breeding and the welfare of animals. Anim. Welf., 19 (Suppl. 1), 1-5....
Selective breeding in animals is often done to improve ___. A. appearance B. intelligence C. productivity D. aggressiveness 相关知识点: 试题来源: 解析 C。解析:动物的选择性育种通常是为了提高生产力。外观、智力和攻击性不是主要的改进目标。反馈...
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百度试题 结果1 题目Past experiments prove selective breeding can make animals better___A. Commanders B. Competitors C. survivors D. learners 相关知识点: 试题来源: 解析 D 反馈 收藏
The British Veterinary Zoological Society (BVZS) considers that lessons should be learned from this experience as contemporary husbandry and scientific advances have led to significant success in the captive breeding of non-traditional companion animals (NTCAs), predominately in the avian and ...
The natural reservoir of Ebola virus (EBOV), agent of a zoonosis burdening several African countries, remains unidentified, albeit evidence points towards bats. In contrast, the ecology of the related Marburg virus is much better understood; with experim
3) selection breeding 选择性繁殖 例句>> 4) selected reproduction 选择繁殖 1. This thesis mainly discusses the essential characters,producing modes and selected reproduction of the knowledge from library. 本文重点讨论图书馆真信念的基本特点、生长模型和选择繁殖。