The bones in a whale’s flipper are the same as the bones in a dog’s front leg. what does this tell you about these two organisms?

they are of the same species
they have a common ancestor
they are both carnivores
they both evolved the same way

What was the land like over 500 million years ago? what was under the sea?

Taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? view available hint(s)taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? the enzyme will not work on human dna. nothing should be altered. the ph should be decreased. the temperature should be raised.

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist