Describe the role of microtubules in mitosis. Why must microtubules both assemble and disassemble for mitosis to occur properly?

Astructure that is found in a plant cell and not in an animal cell is a ? central vacuole mitochondrion nucleus ribosome

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.