Answer: A) he tested the birds to see if each would survive in the other's environment
Explanation:
Answer: sparse
Explanation: took the quiz
Here is my answer. The brain and the nervous system assists in times of limited body resources by sending signals to the brain the necessities or needs that the other body systems require in order to function properly. Hope this answers your question. Have a great day!
The final outputs of the citric acid cycle are ATP, NAD, and CO2
Oxygen (the waste product of photosynthesis)