Answer:
<u><em>Ancestors</em></u>
Explanation:
Ancestors can be described as the persons from which a particular human being originated. In a broader perspective, it is referred to family history of a person. Scientists believe that all organisms on Earth originated from a common ancestor which were the prokaryotes. The prokaryotes with time gave rise to the eukaryotes. Common descent is the phenomenon in which organisms having common ancestors are referred.
It cannot take in carbon dioxide for photosynthesis
Your body is responding to the immense heat of the sun and your body emits sweat from your body of the effort to cool your body down so that you don't get too hot
