"determine the significance of plasmids for bacteria." answers: a) they in meiosis and in the manipulation of the plasmids of their host organisms. b)they in mitosis and in the manipulation of their genome with the gene of their requirement. c) they in reproduction, antibiotic resistance, virulence and competition with other bacteria.

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.

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%