For an animal to become habituated to a stimulus, the stimulus must be but must not be either or rewarding.

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?

How can you tell the difference between rough er from smooth er?

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil