In gymnosperms, male gametes are located in the , at the tip of the , and female gametes are located in the at the base of the . Pollination occurs via . In angiosperms, male gametes are located in the at the top of the , and female gametes are located in the at the base of the . Pollination occurs via .

the answer is:

carbon dioxide

no i don't feel that humans have oversubscribed some medications

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.