‹ Class 8 · Ch 13
Our Home: Earth, a Unique Life Sustaining Planet · Principle 11 of 27

Variety of the land

Landforms, rocks and soils.

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NCERT: 13.4.2 Soil, rocks, and minerals

Think

Different lands

Mountains, plains, deserts and river valleys have different rocks and soils.

What is this variety, with the processes that shape it, called?

What this lesson covers

The idea

The variety of landforms, rocks and soils on Earth, together with the processes that shape and alter them, is geodiversity; it helps create unique habitats for different types of life.

Different lands

Mountains, plains, deserts and river valleys have different rocks and soils.

What is this variety, with the processes that shape it, called?

  • Geodiversity
  • Population
  • Photosynthesis

Variety of land

Open each tab.

Geodiversity

The variety of landforms, rocks and soils, together with the processes that shape and alter them, is called geodiversity. It helps create unique habitats where different types of life can thrive.

Geodiversity = the variety of landforms, rocks and soils together with the processes that shape and alter them. It creates unique habitats for different kinds of life.

Notes

Geodiversity: variety of landforms, rocks, soils and the processes that shape them.

Check yourself

The variety of landforms, rocks and soils is called …

Geodiversity also includes …

Geodiversity helps create …

Soil, rocks and water are …

  • population. A population is a group of the same kind of organisms.
  • greenhouse effect. The greenhouse effect traps heat.
  • geodiversity — correct. Yes!
  • the processes that shape and alter the land — correct. Yes!
  • only the oceans. It includes the processes that shape and alter landforms, rocks and soils.
  • only living things. Geodiversity is about non-living land.
  • only deserts. It helps create unique habitats.
  • unique habitats for different types of life — correct. Yes!
  • no change. It creates unique habitats.
  • useless for life. They help shape the story of life.
  • living things. They are non-living parts of nature.
  • not just a background, they help shape life — correct. Yes!
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