Topic Summaries

Biodiversity

GCSE > Biology > WJEC > GCSE Biology Topic Summaries > Biodiversity and environmental management > Biodiversity
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Plant disease and monoclonal antibodies

The brain and the eye

Reproductive hormones and plant hormones

Genetic engineering and modification

Resource cycles and environmental change

Science skills: Measuring results

  • Biodiversity is the variety of all the different species of organisms on earth, or within an ecosystem.
  • A great biodiversity ensures the stability of ecosystems by reducing the dependence of one species on another for food, shelter, and the maintenance of the physical environment
  • The future of the human species on Earth relies on us maintaining a good level of biodiversity.
  • Many human activities are reducing biodiversity (e.g. deforestation) and only recently have measures been taken to try to stop this reduction

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