How have what you learned enabled you to understand the different traits that your family members have from your parents? Be specific and use the terms: protein molecule, variation, structure and trait.

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.