What was thomas hunt morgan's main contribution to science? he discovered that certain traits were linked to the x chromosome. he discovered that certain traits were linked to the y chromosome. he created the first white-eyed female drosophila. he created the first white-eyed male drosophila.

Which factors changed throughout the mice experiment

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.

Hich is an example of using comparative anatomy to study evolutionary relationships? comparing and contrasting the dna of two organisms studying the digestive system structure in two organisms using ancient footprints to learn about an organism’s behaviors looking at the development of a fertilized egg of an organism