What is typical of cell reproduction when normal cells are reproduced in a petri dish from a tissue culture?

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.