List two features that were significant evolutionary advancements of the class Reptilia over the Amphibia. They are the only egg-laying mammals. Gestation is short and the young complete development outside the uterus in a special pouch. They are only found in Australia 52. Islands are geologically very young.
Islands are all ecologically similar.
Scientists are always trying to find a cushy place to work. Describe the following reproductive isolation mechanisms 55. Geographic isolation 56. Mechanical isolation 57. Behavioral isolation 58.