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September 2, 2021 Recommended

Modes of Reproduction

Two organisms- male and female are essential for sexual reproduction. Now let us study some basic methods of reproduction in single organisms.

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June 27, 2022 Recommended

Indicators of Environment

A substance, factor, change, living being or a system that quantifies and simplifies phenomena and helps in understanding complex realities,…

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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 28, 2024 Recommended

What is Ozone layer? How is it depleted and what are the control measures?

Ozone absorbs ultraviolet radiations so that much of it is never allowed to reach to the earth surface. The protective umbrella of ozone layer in the stratosphere protects the earth from harmful ultraviolet radiations. Ozone plays an important role in the biology and climatology on the earth’s environment. It filters out all the radiations that remain below 3000Å. Radiations below this wavelength are biologically harmful. Hence any depletion of ozone layer is sure to exert catastrophic impacts on life in the biosphere.

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December 1, 2020 Recommended

The Grass Pollinators around us

We have many types of butterflies around us. These are good pollinators of crop plants and grass pollinators. Theecotrends lens has some images of these pollinators

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August 20, 2022 Recommended

Energy from Oceans- Tidal Energy, Wave Energy and Oceanic Thermal Energy

Ocean is a vast natural resource of water. These have also been examined in the search for alternate sources of energy-generation. For example, gravitational pull, by sun and moon causes tides, in which sea level rises and falls, two times in 24 hours. When it rises, sea water may be diverted through suitable channels, to inshore reservoirs driving the turbines, during its entry.

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