hangdog
发表于 2025-4-1 04:56:53
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富饶
发表于 2025-4-1 08:38:39
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intolerance
发表于 2025-4-1 13:04:50
, Drosophila mercatorum,he third problem is to relate the phenotypic variation to variation in life history. Natural selection requires fitness differences, and the potential for selection cannot be evaluated in a predictive fashion unless differences in life history attributes can be inferred. The fourth problem is to estimate the structure of the natural population.
semiskilled
发表于 2025-4-1 18:01:40
Extreme Environmental Stress: Asymmetry, Metabolic Cost and Conservation,ncluding chloro-fluorocarbons (CFCs), all implying substantial exchange of materials between terrestrial systems and the atmosphere (Mooney ., 1987). The impact of CFCs is a likely depletion of stratospheric O. so diminishing its role as a protective absorber of short-wave radiation (Cicerone, 1987).
BALK
发表于 2025-4-1 21:48:15
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