You would want this observation to be in an area with a lot of biotic and abiotic factors, so the best place for it is an ecosystem.
Quite sure C is correct ;) remember that humans are also placental mammals.
Ok let do the formula. V=m/d=408/11.34= 35.98 v=35.98ml so ther is 35.98 ml place in a lead hope u love my answer
Genetic change in the reproductive cells of the body (ovule or sperm) that is incorporated into the DNA of each cell in the body of the descendants. Hereditary mutations are transmitted from parents to children. It is also called germline mutation.