Wild animals host a large number of viruses which can hop on to humans in close proximity! This is an intriguing question. Isn’t it! Instantaneously it brings to our mind variable theories that are doing the rounds as to its origin. We immediately want to know and then eliminate the cause of our existing miserable…Read More
The association of man and environment is not a new idea. Man has relied on mother Earth for all his basic needs from the inception of life on this Earth. In due course of time the needs became much more and man stepped into an era of industrialisation. No doubt, man has benefited from industrialisation…Read More
Almost every day we come across the term environment in some context or the other. Everybody seems to be talking about environment – adverse effects of the environment as well as its protection. We can often hear or read articles, critical analysis and debates on various environmental issues on radio, television, newspapers, magazines etc. Global…Read More
The term ecology was coined by Earnst Haeckel in 1869. The term ecology is derived from the Greek words oikos-home and logos-study. This makes ecology as the study of organisms in their natural homes interacting with their surroundings. These surroundings consist of both living and nonliving factors. The living factors of organisms are called biotic…Read More
A terrestrial ecosystem is an ecosystem found only on the land. These are: Tundra.Taiga.(Northern coniferous forest)Temperate Deciduous forest.Tropical rainforest.Tropical deciduous forestGrassland.Desert. What are the factors on which the nature and extent of a biome depends? The nature and extent of a biome is depends on the physical factors such as: – Temperature range.Rainfall.Intensity and…Read More
The altitudinal biomes extend hundred metres in height from the base. The base is referred to as Terai region in India. The extent just below the snow line. They have tropical rainforests. They are followed by the temperate, deciduous and tundra forests. The high-mountains in the warm area have no tropical rainforests. They have temperate…Read More
Cause 1. Habitat Fragmentation: Large areas rich in biodiversity have been reduced to small pockets. This is fragmentation which has occurred as agricultural fields, roads, and housing, industrial hydro-electric and other projects have come up in biodiversity-rich forested areas. Fragmentation of forests, for example, has severely affected the elephant population in India. This is one reason…Read More
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