ecosystems

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September 28, 2024

Types of Ecosystems – Terrestrial and Aquatic

Ecosystems can be categorised into two broad categories: natural and artificial. Natural Ecosystems are those ecosystems that operate by themselves under natural conditions. These ecosystems are further categorized as Terrestrial and Aquatic Ecosystems. Terrestrial ecosystems relate to lands, whereas Aquatic ecosystems relate to fresh or marine water. Freshwater ecosystems may be Lotic or Lentic. Lotic are running water ecosystems like springs, streams or rivers, whereas Lentic Fresh Water Ecosystems may be found in standing waters of lakes, ponds, pools, puddles, ditches, swamps, etc. Marine Ecosystems are found in marine waters of salt lakes, seas, oceans and estuaries. Artificial Ecosystems are man-engineered ecosystems like crop fields, artificial ponds and lakes, aquaria, fish ponds, and abandoned mines reclaimed as lakes or water bodies for recreation.

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August 24, 2022 Recommended

Farmers and their conditions in India 

Sometimes it so happens that serious and abrupt changes in weather condition ruin the entire crop. Thus, the hard work of the whole season goes in vain. What about the debt which he has to pay? On the other hand, market prices of his agriculture production often remain too less to support the economy of the farmer. These are the conditions under which a number of farmers in different states of India have been reported committed suicides.

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August 23, 2024 Recommended

What is acid deposition? What is acid rain?

The acid rain affects living and non- living components of environment. In July 1982, Stockholm- the venue of U N –conference on acid rain, suffered heavy acid showers for about a week. In India too, acid rains have been reported since last twenty years in areas where thermal power plants are located and also around Delhi, the capital of India.

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February 24, 2021 Recommended

What do we consider as – Child Labour?

Children as they grow, start getting involved in the day to day activities of the family to support their parents. These children go to schools and work in the family in leisure periods. Their household activities are neither harmful nor exploitative.

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October 17, 2022 Recommended

Global perspective of environmental problems

Our environment today is facing a number of problems. All those problems are causing dangers to take shape against the existence of the whole biosphere of this planet. But who is behind all those problems? The answer is – M A N.

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October 28, 2024 Recommended

Direct causes of the loss of biodiversity

Species become endangered due to both natural and anthropogenic causes. Since man has no control over natural causes, we should consider anthropogenic causes only. Anthropological causes may be classified into two fundamental categories: Direct Causes and Indirect or underlying causes.

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September 21, 2024 Recommended

Adaptations to Environmental Changes

The conditions of a habitat remain changing abruptly and periodically. 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.

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November 22, 2020 Recommended

Environment and Environmental Science

As environment is common heritage and property of all nations of the world, the science of environment should also combine relevant matter so as to promote the value and necessities of local, national and international co-operation in the prevention and solution of environmental problems across the globe.

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July 11, 2021 Recommended

Nervous System of Animals

Most of the animals have a network of very fine filamentous or threadlike structures which exchanges information. These structures are called as nerves.

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