Sudan iv is a colored substance that dissolves into lipids. a raw egg is separated into the egg white and the egg yolk. sudan iv is dropped into the egg white. it does not dissolve but stays as one tight ball. sudan iv is dropped into the egg yolk. it spreads through the egg yolk by dissolving into the yolk. what does this suggest about the egg yolk versus the egg white?

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

In what ways does the study of human population differ from the study of wildlife ecology