Answer:
Plant cells are the basic building block of plant life, and they carry out all of the functions necessary for survival. Photosynthesis, the making of food from light energy, carbon dioxide, and water, occurs in the chloroplasts of the cell
that wud be the cardiovascular system, because whatever the problem, this system works the hardest to maintain homeostasis.....
<em><u>Answer:</u></em>
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<em><u>C: </u></em><u><em>Gregor Mandel</em></u>
option number 2 or 4 Hope this helps