A is the correct answer
population density = # of individuals/amount of area.
BbEexBbEe
Black *black
9:3:4
Black brown gold
<span>Hemophilia A is an X-linked recessive disease caused by a lack of a coagulant, or blood clotting agent, called factor VIII (factor 8). This is caused by a mutation in a gene on the X chromosome called F8. If a father is affected, his daughters will be carriers of hemophilia A and his sons will be unaffected. If a mother is an unaffected carrier, each daughter has a 1 in 2 chance (i.e., 50%) of being an unaffected carrier and each son has a 1 in 2 chance (i.e., 50%) of being affected with hemophilia A.</span>
Photosynthesis
mainly the chloroplasts are found mainly in the green leaves and other baby parts of the plants. in the cells of green leaves abundant numbers of chloroplasts are found these chloroplasts are the sites of the photosynthesis