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Invertebrate Phenology and Prey Selection of Three Sympatric Species of Salmonids; Implications for Individual Fish Growth
Invertebrate Phenology Prey Selection Three Sympatric Species Salmonids Individual Fish Growth
2014/12/12
Growth plays an important roll in the survival of individual salmonid fish. Diet inevitably plays a significant role in the determination of salmonid growth, with these diets consisting primarily of a...
Biologists Link Sexual Selection and Placenta Formation（图）
The placenta. Fish The peacock. Mammals Organs Out of nothing guppy
2014/7/18
RIVERSIDE, Calif. — Sexual selection refers to species’ selection for traits that are attractive to the opposite sex. This special type of natural selection enhances opportunities to mate, the tail of...