生物类词汇
1.  mammal n.哺乳动物
2.  species n.物种
3.  evolve v.（使）进化，（使）演变
eg. It has been speculated that, as the blowholes evolved and migrated to the top of the head, the neural pathways serving sense of smell may have been nearly all sacrificed.（C4T1P2）
evolution n.进化
evolutionary adj.进化的，发展的
4.  calf n.幼崽，牛犊
whale calf 幼鲸
5. captive adj.被俘获的   captive soldiers/ animals   （opp: free ranging 自由放养的）
     n. 俘虏
captivity n.囚禁，束缚，圈养   in captivity
captivate v.吸引
6. sense n.感官，感觉
sense of smell/touch/taste/hearing/vision  五种感官
acoustic sense 听觉
eg. The sense of touch has sometimes been described as weak too, but this view is probably mistaken. (C4T1P2 What do whales feel?)
The sense of vision is developed to different degrees in different species. （C4T1P2）
sensitive adj.体贴的，敏感的
eg. The area around the blowhole is also particularly sensitive and captive animals often object strongly to being touched there. （C4T1P2）
sensation n.感觉能力，感觉
sensational adj.耸人听闻的，极好的
7. organism n.有机体，生物
eg. Breeding in most organisms occur a part of the year only. (C5T4P3)
organic adj.有机的
organic food
8. breeding 繁殖；饲养；教养
eg. The breeding season of some plants can be delayed to extraordinary lengths. (C5T4P3)
breed v.繁殖；饲养；导致
n.种类，品种
9. shade-tolerant adj.耐阴的
shade-intolerant adj.不耐阴的
eg. Plants in general can be divided into two groups: shade-tolerant species and shade-intolerant species.
shade n.荫，阴凉处
10.  gene n.基因
genetic adj. 基因的，遗传的
genetically adv.从基因方面，从遗传学角度
geneticist n.遗传学者
11.  reproduction n.生殖；复制；复制品
eg. Before the breeding season begins, food reserves must be built up to support the energy cost of reproduction. (C5T4P3)
eg. This is a reproduction of Vincent Van Gogh’s ‘Sunflowers’.复制品
reproduce v.生殖；复制
12.  specimen n.样本，样品
13.  predator n.食肉动物，捕食者，掠夺者
prey n.捕获物，受掠夺者    v.掠夺，捕食
14.  instinct n.本能，天性
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