雇佣兵
发表于 2025-3-27 00:37:03
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Gingivitis
发表于 2025-3-27 03:02:15
nd the variety of the mechanisms involved. Many species regularly rely on their ability to home or reach other familiar sites, but how they manage to do this is often uncertain. In many cases the goal is attained in the absence of any sensory contact, by mechanisms of indirect orientation whose comp
NAG
发表于 2025-3-27 06:18:15
T. R. E. Southwood Kt, D.SC., PH.D., F.R.S.with conspecifics, but their users can tell each one from all others, even if they are similar. To perform this kind of spatial activity, animals have to rely on orientational mechanisms which guarantee homing.
言外之意
发表于 2025-3-27 11:01:13
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极肥胖
发表于 2025-3-27 13:45:41
General aspects,with conspecifics, but their users can tell each one from all others, even if they are similar. To perform this kind of spatial activity, animals have to rely on orientational mechanisms which guarantee homing.
Inscrutable
发表于 2025-3-27 19:30:04
Birds, winter and summer quarters, which may be far apart. The marked site fidelity of most species both when breeding and in winter, often even at stop-over sites, makes birds an ideal object of homing studies.
Largess
发表于 2025-3-27 23:27:17
Invertebrates (excluding Arthropods),example barnacles among crustaceans and bivalves among molluscs, none the less, an increase in locomotor efficiency can be seen not only as a critical factor in reducing the risk of exposure to sources of stress but also as a means of improving resource exploitation and reducing intra- and interspecific competition.
无底
发表于 2025-3-28 02:53:58
Fishes,ferred to as amphidromous, which migrate between fresh- and saltwater for purposes other than reproduction. Based on present information, McDowall (1988) listed 110 anadromous species, 56 catadromous species and 61 amphidromous species.
变异
发表于 2025-3-28 06:39:19
Reptiles,izards and related forms) and Ophidia (snakes) — inhabit arid or semi-arid environments, but some include freshwater bodies in their habitat and others are entirely marine. On the contrary, Loricata (crocodiles, alligators and gavials) inhabit mostly swamps, lakes and rivers, and only one species is definitely linked to coastal areas.
浓缩
发表于 2025-3-28 12:07:07
10楼