Answer: Ectotherms depend on external heat sources. Their body temperature changes with the temperature of the environment. Endotherms generated heat internally to maintain body temperature.
Explanation:
The answer is 23 chromosomes.
Breathing is an essential part of the works of the body. If you go a long time without breathing, you’ll die. The reason why you can go a long time without eating is because your body stores the fat to keep you going. Breathing is kind of the building block of the body.
Answer:
Certainly more than that.
Explanation:
