Answer:
Water based fluid
Explanation:
The internal environment consists of water based fluid in which the cells of the body present. A fluid called interstitial fluid or tissue fluid bathes the cells and provides essential nutrients to the cell. The human skin has fatty layers that helps to maintain internal heat which is produced by the body when the outside environment is cold. When there is cold in the environment, people lives in warm shelters and wear warm clothes in order reduce the impact of cold environment.
Answer:
answer a is trash answer b add a vertical line
Explanation:
the answer is C. decreased variation in tail feather color because no form of the trait is advantageous.
I think its false because gas exchange can happen in blood also
A cell in a hypotonic solution will burst because water is moving inside the cell causing it to swell.
