付出
发表于 2025-3-30 09:38:59
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tic-douloureux
发表于 2025-3-30 12:34:46
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IOTA
发表于 2025-3-30 18:17:53
Munekazu Motoyaman 1911, which included protections for sea otters. In hindsight, the rush for the otters’ “soft gold” was a predictable boom and bust cycle, a cautionary example of unsustainable resource use, and a socioeconomic driver of Western—mainly American—involvement in the Pacific region starting in the eig
Customary
发表于 2025-3-31 00:09:00
Ryosuke Sugimoto,Kohei Marumoto,Minoru Inaba,Takayuki Doi live. In some parts of their range, dugongs are found over deep-water seagrass beds and dives have been recorded to more than 30 m. All extant sirenians eat diverse plant-based diets: collectively they have been documented feeding on at least 55 genera of marine and freshwater plants. Although not
仲裁者
发表于 2025-3-31 04:23:35
Yosuke Ugata,Kaoru Dokko live. In some parts of their range, dugongs are found over deep-water seagrass beds and dives have been recorded to more than 30 m. All extant sirenians eat diverse plant-based diets: collectively they have been documented feeding on at least 55 genera of marine and freshwater plants. Although not
Hdl348
发表于 2025-3-31 07:12:59
Yuki Maruyama,Isao Tanakawhether animals are capable of behaviour meeting the criteria of cooperation. Thus, rats learned to coordinate an exchange of places for feeding without obtaining shock (Daniel 1942), chimpanzees learned a series of food discrimination tasks (Crawford 1941), rhesus monkeys learned to avoid shock by