Which of the following systems is NOT involved with signaling within the human body? A. Endocrine

B. Nervous

C. Circulatory

What two fields of study provide the core information that is used to classify organisms?

Why is it important that fibrin is insoluble in water?

If a baby girl guinea pig looks almost identical to its mother, does this then mean that it inherited more alleles from its mother? explain. (hint: think about the vocabulary words dominant and recessive.)