Quiz: Pollen in Peat Bogs and Dendrochronology Evidence
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)
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Building on what you've learned about ecosystems and energy transfer, let's test your knowledge of how pollen in peat bogs and dendrochronology provide evidence for climate change!
Why is pollen preserved in peat bogs?
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Which of the following can be inferred from studying pollen grains in peat bogs? (Select all that apply)
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Pollen analysis involves identifying the {{blank0}} of pollen grains preserved in peat bog layers to reconstruct past {{blank1}}.
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Match the items on the left with their correct pairs on the right
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If a peat layer was found 2 metres deep and the rate of peat accumulation is 1mm per year, how old is the layer?
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What do wider tree rings typically indicate?
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Match the items on the left with their correct pairs on the right
Which of the following are limitations of pollen analysis? (Select all that apply)
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Tree rings provide evidence of past climates because their width is affected by {{blank0}} and {{blank1}} conditions.
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Which method is used to determine the age of peat layers?
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