inroad
发表于 2025-3-21 17:02:20
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假装是你
发表于 2025-3-21 23:59:21
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angiography
发表于 2025-3-22 00:51:47
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FLAG
发表于 2025-3-22 05:31:34
Rajesh Kumars,Mamoun Alazab,WenYong WangOnce the internal factors become operative the animal is likely to show appetitive behaviour in which it will be searching for certain objects. When these have been found the appetitive behaviour will give way to consummatory behaviour.
食道
发表于 2025-3-22 12:19:21
https://doi.org/10.1007/978-1-4613-9249-1, 1976a). Although this should be our aim, it seems impossible, for we will never know when an animal is in harmony with its environment or when it has complete mental health. To define animal welfare from a practical point of view is a much more difficult thing. A number of possible criteria have been discussed and we shall review them .
繁殖
发表于 2025-3-22 14:08:07
Learning,he perfection and shaping of most behaviour patterns but it is also used as an experimental tool in the study of behaviour. If one wants to know whether an animal can discriminate between two colours, or two tones, or even between two individuals, certain types of learning experiments are involved and a knowledge of how this is done is needed.
繁殖
发表于 2025-3-22 18:15:10
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走调
发表于 2025-3-22 22:17:53
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DIKE
发表于 2025-3-23 02:06:39
https://doi.org/10.1007/978-94-009-5931-6communication; conflict; evolution; hunger; physiology; research
Melanocytes
发表于 2025-3-23 06:44:56
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