What is (a) A doctrine that the genesis or production of living organisms can take place only through the agency of living germs or parents; -- opposed to abiogenesis. (b) Life development generally called?

biogenesis — (a) A doctrine that the genesis or production of living organisms can take place only through the agency of living germs or parents; -- opposed to abiogenesis. (b) Life development generally. (Webster's 1913.)

Sources