During the process of photosynthesis, green plants produce... (1) sunlight
(3) nitrogen
(2) methane
(4) sugar

How does natural selection change thephenotypes within a population over time?

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

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale