Deforestation most directly results in
(1 an increase in oxygen in the atmosphere
(2 a decrease in soil erosion
(3 a decrease in biodiversity in the area
(4 an increase in the absorption of carbon dioxide

3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?