A) results in haploid cells
Answer:
Hypersensitive response
Explanation:
<em>The hypersensitive response is a defense mechanism developed by certain plants in response to the invasion of pathogens. </em>
<em>This mechanism features include the rapid death of cells and tissues surrounding the infection site so as to limit the invasion of the pathogens as pathogens require living cells in order to continue spreading.</em>
I believe the answer is B. Carbon is NOT a macronutrient since <span>Nutrients are classified as macronutrients and micronutrients. </span>
Basically it helps with reproduction in flowers by carrying a male gamete from one flower to another and then fertilizing in cross-pollination with the pistil of another flower.
hope this helps :)
