If two organisms are in the same phylum which other classification category must they also share ?
a. class
b. order
c. kingdom

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

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian

Why does sexual reproduction result in more genetic variation in a species