The answer would be genes.
Explanation:
<u>System</u> is a combination of several organs that perform together for a common function.
Hope it will help :)❤
<span> i think it's the gene pool</span><span>
</span>
A. Salt is the solute.<span> Water is the solvent.</span>
B. Ribosomes, their function is to assemble Amino Acids into protein chains