The genus Dahlia is situated in the Asteroideae subfamily of the Asteraceae, in the Coreopsideae tribe. Within that tribe it is the second largest genus, after Coreopsis, and appears as a well defined clade within the Coreopsideae.
Aerobic respiration. Definition. noun. (1) A form of cellular respiration that requires oxygen in order to generate energy. (2) The process of generating energy by the full oxidation of nutrients through Krebs cycle where oxygen is the final electron acceptor.
Aerobic exercise provides cardiovascular conditioning. The term aerobic actually means with oxygen, which means that breathing controls the amount of oxygen that can make it to the muscles to help them burn fuel and move.erobic exercise provides cardiovascular conditioning. The term aerobic actually means with oxygen, which means that breathing controls the amount of oxygen that can make it to the muscles to help them burn fuel and move.