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Science
Class 8

ICSE · Class 8 · Biology

Ecosystems

Chapter VIII-T3CISCE · Classes VI–VIII

1 world · 2 labs for this chapter.

Topics

Ecosystems
- Biotic and abiotic components
- Producers, consumers and decomposers
- Food chains, food webs and pyramid of numbers
- Symbiosis, parasitism and predation
- Forest ecosystem

Learning objectives

Construct a food web for a forest ecosystem.

Worlds

Places to explore freely · 1 world

WorldEcosystems & Food WebsA dry forest of eight species as a web that is also equations: draw who eats whom, pull the leopard and watch the deer and then the grass, run a drought, find the keystone, loose lantana and control it, measure a carrying capacity, follow a toxin up the chain, read the monsoon pulse, and rebuild a collapsed web

Main lab

Built for this chapter · 1 lab

Main labForests: Our LifelineBiology

More labs

Also fit this chapter · 1 lab

LabEcosystem DynamicsFood webs, populations

Practice

Questions for Class 8 Biology, with worked answers, on screen or as a printed paper.

Open the question bank

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