The skeletal system<span> performs vital </span>functions<span>— support, movement, protection, blood cell production, calcium storage and endocrine regulation — that enable us to survive.</span>
The new population that experienced natural selection is now better fit or more adapted to the environment than the old population
It is the basic unit of energy for all functions of the cell without ATP the ions wouldn't be able to transport across the cell membrane.
I hope this helps!
<em>Please</em><em> </em><em>see</em><em> the</em><em> attached</em><em> picture</em><em> for</em><em> full</em><em> </em><em>solution</em>
<em>Hope</em><em> </em><em>it</em><em> helps</em>
<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>