What’s it called when some plants can only be pollinated by bees

In order to clone adult animals, scientists typically begin with a(n)

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."