Biodiversity 0.0 / 5 ? BiologyBiotechnology and the use of microbes in industryGCSEAQA Created by: imconfusedhelppCreated on: 05-02-21 19:20 What is the definition of biodiversity? The variety of different organisms on the earth or in an ecosystem. 1 of 12 Why is it important to maintain biodiversity? economic, medical, moral and aesthetic 2 of 12 How are humans putting biodiversity under threat? landfill waste, urbanisation, monoculture 3 of 12 What is causing pollution in our rivers? fertilizer run off, sewage and chemical toxins 4 of 12 What is eutrophication? When fertilizers run off into the river and cause algal blooms and death of an ecosystem. 5 of 12 What is a peat bog? A slow decaying ecosystem formed from dead plants and animals that trap carbon. 6 of 12 What do peat bogs do? burn to generate electricity and are used as compost to help farmers increase crop yields 7 of 12 Why is deforestation occuring? to grow crops like rice and biofuels, to provide land for grazing cattle, and to provide land for new towns and cities 8 of 12 What crop can be used to power cars instead of petrol? biofuels 9 of 12 What gas does the burning of peat bogs give off? carbon dioxide 10 of 12 What environmental problem does the burning of peat bogs contribute to? global warming 11 of 12 What gas is released from power stations and could cause acid rain? sulphur dioxide 12 of 12
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