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Watch this video and more on Spongein

Grade 8 Natural Science

Ecology and ecosystems


Up Next in Term 1

  • Interactions between biotic component...

    We look at the interaction between biotic components in the ecosystems. The interactions that we focus on include symbiosis, competition and feeding relationships in the ecosystems

  • Energy flow in ecosystems

    We shift focus on the flow of energy through ecosystems. We look at food chains and food webs and how these are used to illustrate the flow of energy through the ecosystem. We also look at ecological pyramids and the different trophic levels, and how we can draw these pyramids from the food chain...

  • Balance in ecosystems and adaptation ...

    Balance in the ecosystem is quite important, especially how the balance can be disturbed by natural and human factors. Let us look at the different types of adaptations that animals develop in order to survive in extreme environments