Microtubules play a role in the migration of chromosomes to opposite ends of a dividing cell during anaphase.
Answer:
I think it's called 'filling in'
Explanation
Hope this helps :)
A. Basalt
Basalt is a fine-grained, dark-colored extrusive igneous rock composed mainly of plagioclase and pyroxene. The specimen shown is about two inches (five centimeters) across. Diorite is a coarse-grained, intrusive igneous rock that contains a mixture of feldspar, pyroxene, hornblende, and sometimes quartz.
Because grasslands do not have many trees, only lots of grass and flat earth. Even if there were flying birds and tree animals, there'd be very few of these, with the fact that there are almost no trees at all in grasslands.
I hope this helps, please Brainliest me, and have a fantastic day! :D