Plants and trees shed their leaves from time to time. This happens due to a number of reasons. From some plants and tree leaves continue falling throughout the year. At the same time new leaves continue developing to compensate their number.
Medicinal weed Argemone Mexicana or Satyanasi is a prickly weed. It has been introduced and naturalized in India. It grows as waste land weed in almost every part of the country. It is reported as crop weed also in many parts of the country.
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.
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.
The population explosions of earlier and present days have already caused and are still causing serious impacts on the global environment. As for the biological environment, the human population has stressed most biological systems, comprising flora and fauna, as well as biological diversity.
The mechanical process of breathing involves inspiration and expiration.
A Hybrid Green House dryer has been developed by Manoj Gaur, a professor at the department of Mechanical Engineering, Madhav Institute of Technology and Sciences Gwalior.
In a human being the ingestion of food is brought about in mouth where it is crushed into fine pieces by teeth.
Living beings interact with each other, with members of other species, and with components of the abiotic environment in an…
Palash or Butea monosperma is an important tree of taxonomic family Fabaceae which is native to tropical and sub-tropical India. It is also found in Pakistan, Bangladesh, Nepal, and Srilanka etc.
We rear and take care of animals to take their support in food production. Their systematic and proper rearing and also the arrangement for their proper reproduction and management are called as Animal Husbandry.
Brain and Spinal cord together constitute the Nervous System. The nervous system receives information in the form of impulses from all parts of the body and integrates this information.
