When a dairy farmer chooses to breed the cows that give the most milk in the herd, the farmers are following the principle of
a. artificial selection.
b. natural selection.
c. descent with modification.
d. acquired characteristics.

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

How does a lytic infection differ from a lysogenic infection?

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