FECK
发表于 2025-3-26 21:28:47
The Horses and the Camargueeavy limb bones, and its broad hooves, which are apparently adaptations to the wetlands in which it lives. The historical record suggests that the morphology and color of the Camargue horses today (see photographic plates) are little different from what they were hundreds and perhaps thousands of ye
BULLY
发表于 2025-3-27 01:29:26
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climax
发表于 2025-3-27 05:24:49
Diets—Their Botanical Composition and Nutritional Valueding other components of the available plant matter. The choice of food plants determines the nutritional quality of the diet, and thus the rate of energy flow into an herbivore population. It also directs the animals’ impact on the vegetation.
Gobble
发表于 2025-3-27 13:24:01
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Acclaim
发表于 2025-3-27 16:23:43
Social Organization, Mating System, and Feeding Behavior (Alexander 1974), to cite only two. In other social species, grouping can allow animals to exploit their food resources better (e.g., large carnivores, Schaller 1972, Kruuk 1972; frugivorous primates, Wrangham 1980; birds, Wittenberger and Hunt 1985) and to reduce their chances of being predated (T
绕着哥哥问
发表于 2025-3-27 21:22:01
Reproduction and Growthlair 1979). The most costly of these processes, lactation, is usually timed to coincide with the growing season of the plants. Animals often lay down nutrient reserves, which they draw on for survival during the non-growing season (e.g., Caughley 1970b, Mitchell et al. 1976). During the growing seas
STENT
发表于 2025-3-28 01:03:26
Equids in Grazing Systemsungulates in grazing systems. Their interactions with the other species, especially with the ecologically close grazing bovids, are key components of the functioning of the grazing systems. The considerable overlap between equid and bovid diets (see Chapter 4, Fig. 11) will lead to competition if ei
混杂人
发表于 2025-3-28 04:08:56
iving systems are described in terms of what lies outside the domain of descriptions. Professor Humberto Maturana, with his colleague Francisco Varela, have undertaken the construction of a systematic theoretical biology which attempts to define living systems not as they are objects of observation