Look at the ocean system described below. plankton sardines swordfish sharkwhat will most likely happen to this ecosystem if the swordfish are killed by a virus? a. the shark population will decrease. b. the sardine population will decrease. c. it will be easier for sharks to find food. d. it will be harder for sardines to survive.

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?