The difference in female choice between the two systems can be explained in both proximate and ultimate ways.
Notable is that not all arrows between proximate determinants are two-way.
Medical and pre-professional health students ask questions about human health that can be answered in two ways, by giving proximate and evolutionary explanations.
Its traditional relative indifference towards neuroscience and deference to environmental contingencies is rejected by neuroscientists sure that direct study of the brain is the only way to understand the truly proximate causes of behavior.
A vivid communication is "likely to attract and hold our attention and to excite the imagination to the extent that it is emotionally interesting, concrete and image provoking, proximate in a sensory, temporal or spatial way" (Nisbett & Ross, 1980, p. 45).
Given their proximity to large numbers of people, projects in these estuaries can educate the proximate public about theservices they provide in the way of nutrient cycling and storm surge buffer.
Public enlightenment and awareness campaign about the negative consequences of forest resource degradation on natural environment and human welfare is indispensable towards building the right behaviour and political goodwill among the communities proximate to FGR, this would go a long way in ensuring the enforcement of conservation policies in the area.
Residences were mapped, and the extent of agricultural fields proximate to the homes was determined as a way of identifying homes with potential exposure to agricultural pesticides (Ward et al. 2000).
Mayr's book, The Growth of Biological Thought, describes the history of biology as intertwined strands that nonetheless remain remarkably separate, one about mechanisms and their ontogeny (proximate), the other about why traits are the way they are, that is, evolution [ 3, 4].
The most appropriate methods differ, in under-appreciated and fundamental ways, from those used to test proximate hypotheses.
