I do believe that it is C. crossing over :) I hope that is correct, it seems like the only plausible answer.
1.) [Bacteria] are single-celled organisms with no nucleus.
2.) The kingdom [Archaebacteria] is relatively small.
3.) Eubacteria are classified by [shape].
4.) [coccus] are round bacterial cells.
5.) [bacilli] are rod-shaped bacterial cells.
6.) [spirilli] are spiral-shaped bacterial cells.
<h3><u>Question</u><u>:</u><u>-</u></h3>
Which of the following are reactants of cellular respiration?
glucose, water, carbon dioxide
water and glucose
carbon dioxide and glucose
oxygen and glucose
<h3><u>Answer</u><u>:</u><u>-</u></h3>
glucose, water, carbon dioxide
<h3><u>Explanation:</u><u>-</u></h3>
Cellular or aerobic respiration is a series of chemical reactions that begin with a sugar reactant in the presence of oxygen and produce carbon dioxide and water as waste.
B) Monocotyledons and Dicotyledons