Cattle dung has been used in India to sweep cutcha houses and to make cakes for burning in kitchens. One of the best uses of dung is for making compost etc. manure. Indians, especially Hindus use cow dung for making compost, dung cakes and for religious purposes.
The total area where living beings are found is called as biosphere. It can be divided into many small independent units called as Ecosystem. In fact, the unit of biosphere which incorporates many types of microorganisms, plants and animals, physical factors like soil, water, air etc. interacting among themselves is called as ecosystem
On the basis of his experiments of hybridization Mendel proposed following rules of heredity-1. Law of dominance, 2. Law of iseggregation and , 3.Law of Independent Assortment.
Constructing a new infrastructure; expanding a residential area; building an industrial plant; increasing the capacity of an airport – are some typical examples of developments that can be carried out only if the competent planning authorities grant the authorization.
The conservation of the environment implies the sustainable use and management of natural resources, including wildlife, water, air, and earth soils.
It usually focuses on human needs and interests, which include the biological, economic, cultural, and recreational values of the natural environment.
Hindus and Hindu tribals believe that certain Gods live on some trees. They worship these trees and protect by all means. These trees are called as sacred groves.
Sex organs of plants are found inside flowers. A male reproductive organ is called as Androecium and a female sex organ is called as Gynoecium.
Green plants and trees that synthesize their own food are called as Autotrophs.Others who depend on them are called as Heterotrophs.
Land-filling is the process of disposing solid waste in low lands or into trenches through proper sanitary methods. It involves- collection, transport, compaction, etc. processes along with proper management for gas-outlet etc. For land filling, the important thing to be taken into account is the distance of waste collection site to the waste dumping site, because it involves cost of transportation.
Bottle Gourd is also known as Calabas, White- flowered Gourd and Tasmanian Bean. Taxonomically, it is known as Lagineria siceraria belonging to the family Cucurbitaceae. It is a vine which is cultivated for its fruit used as a vegetable.
Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
Living beings develop their population through reproduction. But reproduction is the process through which different traits appear in living beings. Variation is essential for evolution
