Segments of chromosomes that contain coded information for an organism's traits are called

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?

Which organelle releases chemicals that break down large food particles into smaller ones?

What was the land like over 500 million years ago? what was under the sea?