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;
Pumpkin has been included in the healthful vegetables. It has been an important part of our food since centuries. But, now it has become a vegetable of less preference.
Varieties of Biological Resources are in international demand today. To meet this international demand, illegal smuggling of these resources is done through illegal routes. Some species of plants and animals have been threatened, rare, endangered or critically endangered due to such practices. Several valuable species of plants and animals have become extinct due to these activities. The international trade in animal body parts is increasing rather rapidly due to their high prices in the international markets. Where possible, the trade of whole animals is also in full swing.
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.
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.
Following principles and guidelines have been accepted for the control of different types of pollution- A. Prevention of entry into…
Man is surrounded by various life forms, forces and conditions- both physical and biological. Sunlight, land, air and water form physical conditions whereas all the plants, animals, and microorganisms form biological conditions.
Sugar apple or Sharifa is the fruit of taxonomically known tree Annona squamosa. It is native to tropical climate in the Americas and West Indies.
community in India has traditionally been rearing sheep to earn their livelihood. Circus owners still keep many types of animals as performers and earn money through their shows.
Animals can be categorized mainly into two categories- domestic, and wild. However, the domestic animals that live under wild conditions are called Feral Animals.
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.
The food eaten by any one comprises many different components like – Carbohydrates, Proteins, fats, Minerals, and Vitamins and water. For humans and big animals water too has been accepted as a necessary component of food.
