‹ Class 8 · Ch 12
How Nature Works in Harmony · Principle 21 of 21

Ecosystems we make

They need human care.

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NCERT: 12.9.1 Human-made ecosystems

Think

A fish pond and a park

People dig fish ponds, grow farms and plant parks.

How are these different from a natural forest?

What this lesson covers

The idea

Humans create artificial ecosystems such as fish ponds, farms and parks to meet their needs; unlike natural ecosystems, these need human care and management.

A fish pond and a park

People dig fish ponds, grow farms and plant parks.

How are these different from a natural forest?

  • They need human care and management
  • They need no care
  • They are not ecosystems

Natural or human-made

Tap the bin where each belongs.

Made by people

Humans create artificial ecosystems like fish ponds, farms and parks to meet their needs. Unlike natural ecosystems, these need human care and management.

Humans create artificial ecosystems such as fish ponds, farms and parks to meet their needs. Unlike natural ecosystems, they need human care and management.

Notes

Human-made ecosystems (fish ponds, farms, parks) need human care.

Check yourself

Which of these is a human-made ecosystem?

Humans create fish ponds, farms and parks to …

Unlike natural ecosystems, human-made ecosystems need …

A fish pond is …

  • A park — correct. Yes!
  • A forest. A forest is natural.
  • A river. A river is natural.
  • destroy the ecosystem. They are created to meet human needs.
  • meet their needs — correct. Yes!
  • stop plants growing. They are created to meet human needs.
  • no attention. They need human care and management.
  • no water. They need human care and management.
  • human care and management — correct. Yes!
  • a human-made ecosystem — correct. Yes!
  • a natural forest. A fish pond is made by humans.
  • an abiotic component. A fish pond is an ecosystem.
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