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 - The type of respiration in which the animals inspire (breathe in) oxygen and expire (breathe out) carbon di oxide to produce energy. Example - We, human beings. An-aerobic - The type of respiration in which the energy is produced in the absence of oxygen. C6H12O6 \to 2C3H6O3 + 2 ATP.