Which graph best represents directional selection?

-Graph A
-Graph B
-Graph C

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Is there any solid scientific evidence that humans have been cloned?

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.