Which factor most likely accounts for the change in the paramecium from 8 to 20 hours

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?

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

In what layer of the sun is energy transfers between atoms