flora ; all natural vegetation and plants are called as flora
fauna ; all natural animals are called as fauna
plant kingdom ; the kingdom comprising all living and endangered species of plants.
endangered species ; the species that are in the verge of extinction is known as endangered species
animal kingdom ;the kingdom comprising all living and endangered species of animals
vulnerable species;a vulnerable species is one which has been categorized by the International Union for Conservation of Nature as likely to become Endangered unless the circumstances threatening its survival and reproduction improve.
ecosystem ; all organism living together in a non living environment is called ecosystem
ecology ; the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
bioreserve ;an area containing a wildlife preserve bordered by a buffer zone in which more frequent use is permitted to the public, established as a way of integrating habitat conservation with the interests of the local community.