new world old world monkeys

Inside the caravan, I stood on a chair and lit the oil lamp in the ceiling. I had some weekend homework to do and this was as good a time as any to do it. I laid my books on the table and sat down. But I found it impossible to keep my mind on my work. The clock showed half past seven. This was the..

The study of world of life is as old as man itself. All living organisms are made up of a few elements which are repeated in each of them. The basic unit of life - cell, is a structural and functional entity of lif..

Introduction - The study of world of life is as old as man itself. All living organisms are made up of a few elements which are repeated in each of them. The basic unit of life - cell, is a structural and functional entity of lif..

The Pygmy Marmoset is mainly found in the tropical rain forests of South America . They are a mere 35 cm long including the tail and weigh 80 to 100 grams . They are the smallest monkeys in the world. They feed mostly on tree sap or gum, they also eat spiders, insects, fl..

United Nations has recently taken up an exciting new programme named "earth watch". It will provide monitoring, research, evaluation, control and exchange of information about the world environment. Inspite of many laws biodiversity is not conserved and wild life is suffering lo..

Gymnosperms - The gymnosperms are seed producing land plants. However, the seeds are not enclosed in fruits. Most of them have now become extinct and only about 900 species are known to be surviving. The living gymnosperms are widely distributed in the cold climates where snow, rather than rain, is..

The stratosphere of the atmosphere has ozone (O 3 ). Ozone is known to absorb the Ultraviolet (UV) rays present in the sun's radiation. The UV rays are believed to cause skin cancer and mutations. Thus, the ozone protects us from the harmful effects of the UV rays. However, hydrocarbons such as the..

Nuclear reactions, such as nuclear fission, nuclear fusion, transmutation processes etc. are studied under this branch. In addition, with new developments emerging in recent years, more branches of chemistry are being added. These include, pharmaceutical chemistry, geochemistry, agricult..

Introduction - In the chapter on current electricity, we had learnt about the flow of charges, conditions to produce the flow and how different materials respond to an external electric field. We had seen how materials are classified as conductors and insulators. In this chapter, we will study a ..

Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial ..