What did Pavlov initially notice about the animals in his original research after conditioning took place? A. They could not smell their food if it was cold. B. They would only eat when he was feeding them. C. They refused to eat food out of a strange dish. D. They salivated even when food was not present. Please select the best answer from the choices provided A B C D.

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.

Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna

Can a trait be both polygenic and have multiple alleles? explain why or why not.