Darwin concluded that organisms on the galápagos islands a. had changed over time. b. had remained the same. c. were the result of selective breeding. d. had no variations.

This organism is not capable of performing photosynthesis. (horseshoe crab) true false

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.

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?