Consider this northern site of primary succession following the retreat of a glacier. plant species at location b. would eventually change to the species seen at location c. because of what factor? a) being shaded out by taller species b) competition for water resources c) competition for root space d) pathogens and disease

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?