(1) What is beneath the yellowstone caldera and why is it so dangerous?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

How can you tell the difference between rough er from smooth er?

The science for classifying and naming organisms is known as