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January 5, 2021

Flowers and Flower Sellers

Flowers are most beautiful and attractive parts of a plant. These contain reproductive structures- male and female. Flowers containing any one of these structures are known as unisexual whereas flowers containing both the reproductive structures are known as bisexual.

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December 23, 2024 Recommended

Major atmospheric pollutants

Substances that cause pollution of air are called as air- pollutants or atmospheric pollutants. These are fine Primary Pollutants that contribute more than 90 percent of global air pollution. These fine pollutants are carbon monoxide (CO); Nitrogen oxides (NOx); Sulphur oxides (Sox) and particulates. These pollutants can be put into two broad categories A. Gaseous Pollutants, and B. Particulates.

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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 29, 2022 Recommended

How does energy flow through an ecosystem?

Consumers too utilize some energy in their metabolic processes. Under these conditions some energy escapes away in the form of their body heat and some energy is wasted through excretory matter from their bodies. The rest of the energy goes into the atmosphere when top consumer dies and its body is decomposed.

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January 8, 2022 Recommended

Flow of Energy in an Ecosystem

Sun is the only source of energy in the biosphere. Every living being can get its share of energy through food only and the energy is directly or indirectly obtained from green plants only.

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August 12, 2022 Recommended

Components and sources of food

The food eaten by any one comprises many different components like – Carbohydrates, Proteins, fats, Minerals, and Vitamins and water. For humans and big animals water too has been accepted as a necessary component of food.

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