)                            (f) transmit impulses in body  

1.      Which of the following is not a type of signaling molecule?                        

(a)    Testosterone

(b)    Insulin

(c)     Thyroxin

(d)    Adenylate cyclase​

Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet