before a cell divides, it copies all of its chromosomes. while the two copies of a chromosome are attached they are called

Which of the following is not a benefit of green revolution? a) new crop varieties b) increased crop yields c) cost effective d) new crops may require larger amonts of water than the previous ones.

How do cells grow and reproduce to maintain homeostasis?

Explain why the plants cortex would serve as the best food source for animals