Bio invasion

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October 29, 2024

Underlying Causes of Loss of Biodiversity

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.

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May 3, 2021 Recommended

How do Organisms get Their Food?

Mode of nutrition through which an organism depends on other organisms for food due to its inability to synthesise food is called as heterotrophic nutrition.

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August 11, 2024 Recommended

The Limit of Tolerance of Environment

We have been hearing about environmental pollution, loss of biodiversity, energy crisis, and the sustainable environment since long. So many things have already been infused in school syllabi as well. But how many of us really apply in our real life the things about which we have read in our classes?

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October 5, 2022 Recommended

United Nations System   

On June 26, 1945 fifty-one; nations representing 80% of the world’s population approved and signed a charter for the establishment of a world body of nations – the United Nations Organisation (UNO); at San Francisco.

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November 1, 2024 Recommended

Conservation of Wildlife   

Conservation of species in their natural habitats- in areas where they occur under normal conditions is called in-situ conservation.

This type of conservation strategy protects the entire area. Such an area is protected and maintained to conserve all the known or unknown species inhabiting it.

In this type of conservation, species are not isolated or provided with health care, food, or mating facilities. Only factors detrimental to species’ existence and development are eliminated in this conservation strategy. Human interference, such as hunting, cutting down trees, collecting firewood, etc., is completely banned in such areas.

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December 23, 2021 Recommended

Ecosystem and its components

The total area where living beings are found is called as biosphere. It can be divided into many small independent units called as Ecosystem. In fact, the unit of biosphere which incorporates many types of microorganisms, plants and animals, physical factors like soil, water, air etc. interacting among themselves is called as ecosystem

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September 3, 2024 Recommended

What is Ecosystem? What are its components?

The environment of our earth has a number of life zones that support birth and development of all types of organisms.

All the life zones of the earth are collectively called as Biosphere.

The biosphere vertically extends into the atmosphere up to about 10 km and downwards into the oceans up to a depth of about6.9 km.

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December 27, 2023 Recommended

Phases of technological developments

There are three phases of development of technology- invention, innovation and diffusion. The invention is a process which incorporates wide range of ideas, material things, and human behaviour in new systematic ways.

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