☁️Answer☁️
The answer is A. Its organism one because if it got its energy from a biotic source, there would be an arrow pointing towards it.
Answer:
The answer would be D
Explanation:
Carbohydrates supply energy with foods that have proteins, sugars and so on, they have polysachrides.
During body temperature regulation, temperature receptors in the skin communicate information to the brain (the control center) which signals the effectors: blood vessels and sweat glands in the skin.
