Fresh Water Ecosystems and Marine Ecosystems
The unit of biosphere having all the components producers, consumers and decomposers and the abiotic components together with physical factors in dynamic relationships is called as ecosystem.
fresh water
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Forest – Fires in Uttarakhand and Himachal
Since October 1st to November 9th, a total of 92 incidents of forest-fires have been recorded that have burnt about 133.55 ha of forest in Uttarakhand.
Urban and Rural Waste: Methods of their Disposal
Different activities may generate waste which may be solid or liquid. The quality of both solid and liquid wastes is increasing and if the wastes are disposed in an uncontrolled manner these may cause adverse impact on public health and environment. Hence these wastes need to be managed efficiently so as to safeguard public health and environment.
Transfer of Food through Ecosystems
All biosphere ecosystems have well-organized functions, such as cycling nutrients through food chains, operating biogeochemical cycles, and maintaining the energy flow received by green plants through solar radiation.
Study of Environment
Environment may be defined as ‘Complete range of various sets of external conditions comprising- physical, biological, and for human beings- cultural, economic and political conditions; in which human beings and other life forms exist in continuous interactions among themselves.
Eat Breads of Pearl Millets to Enhance Immunity
The bread of maize and vegetable of mustard leaves during winter are popular food items. Their popularity originates basically from the Punjab state of India.
Questions and Answers on Environment
Ans. Specific enzymes are needed for degradation of substances. A single enzyme cannot degrade many substances. Different types of microorganisms…
Two Types of work
Works done inside houses include works related to livelihood, child rearing, some small scale industries, human services, office works and indoor plays etc
Cooking and Fuels
The process of preparing food for consumption with the use of heat is called as cooking. The art and science of cooking is called as cookery.
Define conservation. Why do we need conservation?
Conservation of the environment implies the sustainable use and management of natural resources, including wildlife, water, air, and soils.
Communities dependent on animals
Man has been keeping animals and depending on them for his livelihood since the origin of civilization. Washermen have been depending on donkeys since long for carrying clothes.
What is Conservation? What is its need? What can be done for conservation?
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.
