I believe that the correct answer is A
<span>A. response to a stimulus</span>
Answer:
1) [J] Sand dollar, 2) [G] Ants and grasshoppers, 3) [A], 4) [G]
Explanation:
Please don't be mad if I'm wrong on a few I'm in AP Environmental Science so I'm kind of keen on this stuff but still I'm trying to help!
Hey there!
The correct answer to your question is option B.
Nitrogen is essential to life because it is the molecule around which all the molecules of life are built, meaning it is the molecule that is most needed and is one of the most important ones.
Hope this helps you.
Have a great day!
Answer:
B. Osmosis
Explanation:
Osmosis is the process in which oxygen and carbon dioxide exchanged occur between the alveoli and the capillaries because the oxygen enters the body and the carbondioxide gas leaves the cell through a semi-permeable membrane and we know that Osmosis is a process in which smaller molecules moves from higher concentration to lower concentration through semi-permeable membrane of the cell.