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Year 10 - Geography

Nutrient cycling and biodiversity in the taiga biome

Tropical rainforest and taiga biomes

Unit Summary

This unit teaches pupils about tropical rainforest and taiga biomes. Pupils learn about its biotic and abiotic characteristics, the adaptations of plants and animals and the threats facing its biodiversity. The unit considers opposing views on protecting and exploiting resources.

Lesson Summary

You will learn to explain that, compared to tropical rainforests, the taiga has low productivity, a lower rate of nutrient cycling and supports lower levels of biodiversity.

Key Notes

  • The taiga has a lower rate of productivity than tropical rainforests and less active nutrient cycling.
  • The taiga support much lower levels of biodiversity than tropical rainforests.

Vocabulary To Learn

  • biodiversity: a measure of how many different species live in an ecosystem
  • nutrients: chemical substances found in all biotic features which are important for survival
  • interdependent: when two or more biotic features like plants or animals depend or rely on each other to survive

Common Mistakes To Avoid

  • Because the taiga is covered with trees it must have rich soils from all the leaf litter that accumulates.

3 Quick Questions (With Answers)

1. Explain this geography topic using two clear key points.

The taiga has a lower rate of productivity than tropical rainforests and less active nutrient cycling. The taiga support much lower levels of biodiversity than tropical rainforests.

2. Define this geography term and use it in an example. 'biodiversity'

a measure of how many different species live in an ecosystem.

3. Correct this common geography misunderstanding.

Mistake: Because the taiga is covered with trees it must have rich soils from all the leaf litter that accumulates. Correction: Taiga soil is nutrient-poor due to slow decomposition in cold temperatures. This means nutrients stay locked inside the trees and litter, rather than entering the soil. As a result, the soil is often thin, acidic and nutrient-poor.

More Lessons In This Unit

Browse all guides in the Year 10 Geography guide library.