How is the heart of a crocodile different from the heart of a turtle? a. the crocodile heart has a single atrium. b. the crocodile heart has three chambers. c. the crocodile has two completely divided ventricles. d. the crocodile heart does not carry blood to the lungs.

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

What is the farthest destination to date for a human spaceflight mission?