What trait enables and organism to keep its internal body temperature constant?
a. homothermy
b. endothermy
c. exothermy
d. orgothermy

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

What drives an advertising campaign?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen