Answer:
A was the answer to mine but u didn't post your diagram so I don't know
Explanation:
Since the aphotic zone does not recieve sunlight it relys on the photic zone for the sunlight which in terms it does penetrate.
In terms of macromolecules, needed and utilized by organisms to carry out essential metabolic chemical reactions and for maintaining structure would be Lipids.
Lipid based molecules or Fats tend to store the most energy, as breaking chemical bonds connecting fatty acid chains of long hydrocarbons releases quite a bit of energy.
Answer:
q1 : ribosomes because they are responsible for protein synthesis
q2 : by transporting potassium ions into the cell and sodium ions out of the cell maintaining a concentration gradient
q3 : seawater contains a high concentration of sodium and chlorine ions that the Atlantic cod gets rid of by actively transporting them out of its body
You can tell by similar genetic features, eye colour, hair type and colour