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Trilobite fossils in a particular layer of rock were used to date a fossil shell in the same layer - VCE - SSCE Biology - Question 34 - 2014 - Paper 1
Question 34
Trilobite fossils in a particular layer of rock were used to date a fossil shell in the same layer. A palaeontologist dated the fossil shell to 328–359 million years... show full transcript
Worked Solution & Example Answer:Trilobite fossils in a particular layer of rock were used to date a fossil shell in the same layer - VCE - SSCE Biology - Question 34 - 2014 - Paper 1
Step 1
What is most likely that the trilobite fossils present were of the order
Answer
Based on the dating of the fossil shell to 328–359 million years old, the trilobite fossils are likely to belong to the order 'Q'. This conclusion is drawn from the geological time scale and the known periods in which different trilobite orders thrived. The time frame specified falls within the late Devonian to early Carboniferous period, during which the order 'Q' was prevalent.