| 单词 | pair-formation |
| 释义 | > as lemmaspair-formation pair-formation n. Zoology the coming together of individual male and female animals in preparation for breeding (cf. pair-bonding n.). ΘΚΠ the world > animals > animal body > general parts > sexual organs and reproduction > [noun] > mating admissure?1440 mating1871 mateship1927 pair-formation1939 1939 E. Mayr in Amer. Naturalist 73 161 It is..advisable to say a few words about pair formation in birds and to classify the occurrence of unusual sex ratios according to the pairing behavior in such species. 1967 A. Manning Introd. Animal Behaviour v. 105 In some birds the female becomes dominant after pair formation. 1971 J. Z. Young Introd. Study Man xxxiv. 484 Apparently in baboons and even chimpanzees and gorillas there is no long-lasting pair formation. 2002 M. D. Greenfield Signalers & Receivers v. 242 Pair-formation in many North American firefly species is a photic dialogue. < as lemmas |
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