First nucleus in pollen grain divide to form generative nucleus and tube nucleus. the generative nucleus divide to form two sperm nuclei, while tube nucleus help in the development of pollen tube.
I think it’s A, however, I’m not sure.
<span>The Menstral Cycle is the </span><span>female hormone that is responsible for stimulating the egg development</span>.
Hope that helps. -UF aka Nadia
<h2><u>
Answer:</u></h2>
<em>Wildebeests live in great numbers on East Africa's vast plains, where dramatic wet and dry seasons cause a bounty of grass at sometimes, and a dearth of good grazing at others. To survive, the wildebeest must migrate to find food.</em>
<h2><u>
Explanation:</u></h2>
<em>The wildebeest migrate around the Serengeti, and into the Masai Mara for the sole purpose of following the rainfall. For their calving from December - March they always begin their cycle in the Southern Serengeti area of Ndutu and follow wherever the grass is green. Wildebeest migrate on a loop path through Tanzania and Kenya following the seasonal rains even when that involves passing through dangerous territory. This is a modal window. Wildebeest, also called gnus, are members of the antelope family.</em>
This answer is C. The genetic variation between humans and orangutans is the greatest.
