Anything from which we can derive energy is called as a source of energy. Since all the life processes need energy, energy is most important for our survival. Our body derives energy from the food we eat. Thus, the food we eat is the source of energy for our body. But this is not the whole story. We need energy for our growth and economic development as well.
Jharkhand state of India has already been self sufficient in the area of Pisciculture. Now, the farmers of the state are working to make the state more progressive in the area of animal husbandry and to set new records for the state.
Book Review S. CHAND’S ENVIRONMENTAL EDUCATION CLASS XI BY DR. M. P. MISHRA PURPOSE OF THE BOOK This book on…
Vast variability exists in the distribution or occurrence of different life forms in different habitats. The variability of life forms in a particular habitat is considered as the biodiversity of that habitat.
With the growth of human population, more and more land was cleared for cultivation, housing and cattle rearing. Later, as towns and cities started developing, vast areas of land were started to be consumed in making roads, rail tracks, bridges, buildings, markets, trade centres, Educational and Research Centres, hospitals, railway junctions, etc.
Proper arrangement of resources and techniques to check losses to crops through different factors is called as Crop Protection Management.
The dry weight of organic matter produced by plants, their derivatives and wastes are called as BIOMASS. The biomass includes crop residues, plant parts, body parts of dead animals and animal wastes. As biomass is created due to photosynthesis by plants, so energy from biomass or bio wastes is regarded as another form of solar energy.
The year 2022 has remained a year of big scientific achievements. In it, the discovery of probability of wormhole and Dart campaign of NASA in space science have been remarkable. On the other hand, the revolutionary event of heart transplant of a pig that was genetically engineered, also happened in the field of surgery.
Dictionary defines the term Niche as a comfortable or suitable position in life of a living being, or a role taken by a type of organism within its community.
Living beings interact among themselves in the same species, with the members of the other species, and with the components of the abiotic environment in an ecosystem. Interaction between the members of the same species is called as Intraspecific whereas the interaction among individuals of different species is called as Interspecific.
As per an assessment, about 600 million people inhabited urban areas of the world in the year 1950. But now urban areas have been recorded to be inhabited by about half of the total population.
