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Viability of American oyster,Crassostrea virginica, spermatozoa exposed to stress
Viability was determined for oyster spermatozoa maintained in salt water for extended periods after activation and for spermatozoa exposed to thermal...
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Behavioral thermoregulation in mammals and birds
Thermoregulation in homoiotherms is achieved by physiological and behavioural adjustments which involve the musculature, skin, sensory capacities,...
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Early development of the clingfish,Gobeisox strumosus cope
Descriptions and illustrations of the egg, early larval stages, and young of the clingfish, Gobiesox strumosus , are presented for the first time. The...
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The black duck in the Chesapeake Bay of Maryland: Breeding behavior and biology
The breeding behavior and biology of black ducks, Anas rubripes , were observed from 1953–1958 on the upper Eastern Shore of Chesapeake Bay in...