Our Environment Class 10 Notes PDF NCERT

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Basic Of Environment

We have often heard the word ‘environment’ being used on television, in newspapers and by people around us.

Our elders tell us that the ‘environment’ is no longer what it used to be; Others say that we should work in a healthy ‘environment’, and global summits involving developed and developing countries are held regularly to discuss ‘environmental’ issues.

In this chapter, we will study how the various components of the environment interact with each other and how we affect the environment.

Eco-system What are its components?

All living organisms such as plants, animals, micro-organisms and humans and the physical environment interact with each other and maintain a balance in nature.

All the interacting organisms in an area together with the non-living components of the environment form an ecosystem.

Thus, an ecosystem consists of biotic components that include living organisms and abiotic components that include physical factors such as temperature, precipitation, wind, soil, and minerals.

For example, if you go to a garden, you will find different plants, such as grass, trees; flowering plants like rose, jasmine, sunflower; and animals such as frogs, insects, and birds.

All these living organisms interact with each other and their growth, reproduction and other activities are affected by the abiotic components of the ecosystem.

Hence a garden is an ecosystem. Other types of ecosystems are forests, ponds and lakes.

These are natural ecosystems while gardens and crop fields are man-made (artificial) ecosystems.

Language English
No. of Pages10
PDF Size2 MB

Our Environment Class 10 PDF Free Download

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