On the local and regional levels, air pollution creates various types of problems against living and non- living environment. In the living environment it causes different types of physical, physiological and mental diseases.
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.
An activity that serves as one’s regular source of livelihood is called as occupation.
The gap between the rich and the poor has increased due to population growth. The rich people are exploiting more resources than poor people. Malnutrition is one of the most common effects of these problems. The poorest people in developing countries do not get adequate calories to develop their health properly.
Living beings develop their population through reproduction. But reproduction is the process through which different traits appear in living beings. Variation is essential for evolution
Toucan is a cute and friendly bird with a small rounded tail and a long, red and amazing bill. It belongs to family Ramphastidae of zoological order Piciformes belonging to the genus Ramphastos.
There are 37 species in Ramphastidae and the largest birds are known as Toco toucan. The bird about which we are going to talk about right now is the Toucan – yes, the Ramphastos aerial. You might have seen some famous TV serials with Toucan as one of the leading characters on the National Geographic; or some famous children’s films with Toucan as here- like Rio-.
There are four basic factors that cause population change in a country – Natality or the birth rate, Mortality or…
I did not know about the Valentine’s Day or the Valentine’s Week even till I was married. I don’t know either when I knew about it.
The resources that provide food to living organisms are called as food resources.
Bottle Gourd is also known as Calabas, White- flowered Gourd and Tasmanian Bean. Taxonomically, it is known as Lagineria siceraria belonging to the family Cucurbitaceae. It is a vine which is cultivated for its fruit used as a vegetable.
Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
Most of you us have seen the Baya birds – peculiar birds of monsoon season. These beautiful birds are found in many states of India and of course in many other countries of the world. These birds are also found all over Java and Sumatra.
