Which of the following is true about phylogenic trees? a) they are a visual representation of the relatedness of diffrent organisms
b) Branch legnth is always related to how long a species has been alive
c) the species to the right are more evolved than the species to the left
d) all trees include all species within a kingdom​

Which beat describes the brain stem

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?

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.