Glycolysis, Krebs cycles and electron transport chain are the three steps of cellular respiration, for converting glucose into energy.
Perch have paired pectoral and pelvic fins, and two dorsal fins, the first one spiny and the second soft. These two fins can be separate or joined.
Try, Dinosaurs, birds. fish, reptiles. amphibians.
I would say its between A and D, Hope it helps.
A savanna is a type of biom and there are different types of biomes one different type is the grasslands, or the prairie