Ecological Niche and Ecological Habitat
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.
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.
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.
Coarse grains are broadly discussed these days. Now the world has come to know about their importance. Coarse grains have been contained in the Indian dishes since long. Now that the harmful effects of soft grains are known, the world has come to advocate the coarse grains.
Sun is the only source of energy in the biosphere. Every living being can get its share of energy through food only and the energy is directly or indirectly obtained from green plants only.
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.
Madua or ragi or finger millet which falls under coarse grain is a very nutritive diet. The Indian Government has declared an integrated policy to encourage the use of coarse grain. Through it is clear that importance of coarse grain is about to rise in near future.
Acrowd of women listening the lecture about malnutrition.
The World Aids Day is celebrated the world over on the first December every year to make the public aware about the infection of HIV (Human Immuno Virus).The celebration of this day on the world scale was first started by the World Health Organisation in 1987.
Jaggery is a traditional sweet of India. After the appearance of sugar in Indian markets, its use was slowed down for some decades. But now it is being used in urban areas also. It is reported that jaggery contains many medicinal properties and it is full of nutrients.
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.
Ozone absorbs ultraviolet radiations so that much of it is never allowed to reach to the earth surface. The protective umbrella of ozone layer in the stratosphere protects the earth from harmful ultraviolet radiations. Ozone plays an important role in the biology and climatology on the earth’s environment. It filters out all the radiations that remain below 3000Å. Radiations below this wavelength are biologically harmful. Hence any depletion of ozone layer is sure to exert catastrophic impacts on life in the biosphere.
People who suffer from hunger remain undernourished. They don’t get enough food to eat. As such they don’t get energy, they need to live active lives. Undernourished persons remain unable to study, work or otherwise perform physical and mental activities. This condition is especially hard for women and children. Continuous hunger weakens the immune system and makes them vulnerable to diseases and infections. Mothers who suffer continuous hunger often give birth to underweight and weak babies, and they face increased risk of death.











