Which statements describe the functions of dna? check all that apply.
dna destroys bacteria and viruses that cause sicknesses in organisms.
a. dna plays a role in the growth and reproduction of organisms.
b. dna stores energy for the organism to use in the future when food is scarce.
c. dna guides the formation of an organism's structures.
d. dna organisms function by telling them how to function.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?