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How Nature Works in Harmony

CBSE · Class 8 · Science

Complete topic list for How Nature Works in Harmony in CBSE Class 8 Science. Key concepts, sub-topics, and what to focus on for board exams.

45 questions22 flashcards5 concepts

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4 Topics · CBSE Class 8 Science

Topics in How Nature Works in Harmony

1

Components of Environment and Habitats

  • A habitat is a place where an organism lives and gets all its needs fulfilled (food, water, shelter, space)
  • Every habitat has two types of components: Biotic (living) and Abiotic (non-living)
  • Biotic components include plants, animals, microorganisms like bacteria and fungi
2

Population, Community, and Ecosystem

  • Population: Group of the same type of organisms in a habitat at a given time
  • Community: Different populations sharing the same habitat
  • Ecosystem: Interaction between biotic and abiotic components in an area
3

Types of Organisms and Their Roles

  • Producers (Autotrophs): Make their own food through photosynthesis - mainly green plants
  • Consumers (Heterotrophs): Cannot make their own food, depend on other organisms
  • Types of consumers: Herbivores (eat plants), Carnivores (eat animals), Omnivores (eat both)
4

Food Chains, Food Webs, and Trophic Levels

  • Food Chain: Simple sequence showing 'who eats whom' in an ecosystem
  • Food Web: Network of interconnected food chains in an ecosystem
  • Trophic Levels: Specific positions of organisms in a food chain

Key Concepts

A habitat is a place whereA population is a groupProducers (like plants) make their ownA food chain shows a simpleOrganisms interact in different ways

Frequently Asked Questions

What are the important topics in How Nature Works in Harmony for CBSE Class 8 Science?
How Nature Works in Harmony covers several key topics that are frequently asked in CBSE Class 8 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in How Nature Works in Harmony — CBSE Class 8 Science?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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