2 Points
A mutation caused some normally black-and-white peppered moths to be all
black. Which statement explains how a population of black moths was able
to replace a population of peppered moths?
O A. Peppered moths had fewer adaptations than the black moths had.
O B. Most of the moths that lived long enough to reproduce were black.
O C. A new allele for black color was dominant to the peppered color.
O
D. The population became all black by adapting to a new
environment.
SUBMIT

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

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.

The chemical form of energy that is useable by the cell to do work