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.
Our natural resources are known to have some specific qualities of their own. These qualities are known as natural qualities. It is due to specific natural qualities that different natural resources have been useful to us and to the whole biosphere. But now, the condition has changed considerably. Most of our natural resources like air, water and soil have gone bad due to pollution of different types. What is pollution?
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 Environmental Calamities that shook the humanity during fifties and sixties were powerful enough to generate serious and widespread sense of responsibility among world nations towards the global environment. Some of these calamities include : The killer smog in New York and London which claimed 5000 lives in 1952; The mercury poisoning due to the consumption of mercury-contaminated seafood in Japan;
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.
Tribal people of Jharkhand worship Karam Tree during their Karma Pooja. During this Pooja twigs of Karam Tree are planted at a sacred place. The Pahans (Purohits) worship these branches.
What is the importance of DNA copying in reproduction?
Our environment today is facing a number of problems. All those problems are causing dangers to take shape against the existence of the whole biosphere of this planet. But who is behind all those problems? The answer is – M A N.
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.
There are many different types of technologies or technological models- such as Low-tech, Hi-tech, alternative, intermediate, appropriate, blended, hard, and soft technologies.
Forests and wildlife are integral part of environment. Forests control climate, soil erosion and wildlife. They cause rains.
Auxins move to darker side of the part of a plant and cause cells of that side to grow larger. These may induce cell division as well. In both of these cases the part of the plant bends.
