The answer to this question is 50%
Answer:
The basic unit of life is a cell
Endotherms, such as birds and mammals, use metabolic heat to maintain a stable internal temperature, often one different from the environment. Ectotherms, like lizards and snakes, do not use metabolic heat to maintain their body temperature but take on the temperature of the environment.
It has an alternating chemical phosphate and sugar backbone, making the ‘sides’ of the ladder.
