<u><em>Vestigial structures</em></u>: 1st box
<u><em>Homologous structures</em></u>: Last box
<u><em>DNA sequence data</em></u>: 2nd box
<u><em>Analogous structures</em></u>: 3rd box
<span>Na is the chemical symbol for sodium. Na+ is formed when sodium loses an electron from its outer shell (the number of electrons and protons is now unbalanced, giving an overall positive charge) and becomes a sodium ion. Losing an electron happens when a metal reacts with a non metal.</span>
I think that the answer would be a or d.
i dont know.
Hope this helps
The sun feeds the plants through the process of photosynthesis. the animals gain energy and grow by eating those plants. other animals eat those animals and gain energy and grow. the cycle is never ending and all begins with the sun. without it, the plants and animals wouldnt get food and die off.
