In, 1898 the Russian cytologist S. G. Navashin discovered double fertilization in angiosperms, which consists in the union of a sperm-ucleus with an egg cell nucleus and the union of a second sperm nucleus with the nucleus of an endosperm-producing cell.
Bioculture is the combination of biological and cultural factors that affect human behavior. Bioculture is an area of study bounded by the medical sciences, social sciences, landscape ecology, cultural anthropology, biotechnology, disability studies, the humanities, and the economic and global environment.
Aquaculture is the production of aquatic animals and plants under controlled conditions for all or parts of their lifecycles. Interest in aquacultural production is on the rise because restrictions on the wild harvest of many seafood species may diminish wild harvest seafood supplies.quaculture is the production of aquatic animals and plants under controlled conditions for all or parts of their lifecycles. Interest in aquacultural production is on the rise because restrictions on the wild harvest of many seafood species may diminish wild harvest seafood supplies.