Which step of mitosis involves the nucleus splitting and nuclear membranes forming around each new nucleus

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Most of the carbon on earth is stored in the form of