Is Sustainable development possible? Is sustainable development worth try to achieve? Why?Why not?

Marianne is comparing two animals: a fruit fly and a fruit bat. she asks, "do a fruit fly and a fruit bat share a common ancestor in their evolutionary history? " according to evolutionary theory, what is the answer to marianne's question?

Why do carbohydrate molecules function so well as fuel for the body?

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain