Answer:
Because animals cannot produce energy directly from the sun, they must eat plants or other animals that eat plants, and acquire energy, either directly or indirectly, from glucose
Explanation:
B because B is the nucleus which is the storage location of DNA
Answer:
Your body uses oxygen to get energy out of the food you eat.
Explanation:
Oygen breaks down sugar in cellular respiration
Animal cell structures and organelles interact as a system to maintain homeostasis by making sure each part of the system works together.