How does reducing gene flow cause speciation? A. it increases fossilization
B. it creates patches of favorable habit
C. it increases gene flow
D. it allows populations to become genetically different

Providing immunity by injecting the body with a weakened form a pathogen is known as

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

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