Biodiversity Overtime Questions

Back to Topic Selection Unit 3 Q&A: Plasma Membrane Q&A: Nucleic Acids and Proteins Q&A: Genes and Regulation Q&A: Biochemical Pathways Q&A: Photosynthesis Q&A: Cellular Respiration Q&A: Cell Signalling Q&A: Responding to Antigens Q&A: Immunity Unit 4 Q&A: Mutations Q&A: Genetic Makeup Q&A: Biodiversity Overtime Q&A: Relatedness Q&A: Human Evolution Q&A: DNA Manipulation Q&A: Biotechnology and Society Q&A: Biotechnology and Disease

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Q1. Two reasons that explain why carbon-14 dating is not useful for calculating the absolute age of an igneous rock

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Q2. Suggest a possible explanation for there being so few cactus fossils

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Q3. Describe how the fossil bird Archaeopteryx was formed

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Q4. What main pattern is observed in comparative embryology from embryos of different species?

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Q5. Describe a relative dating technique which could be used to date the extinct mammals.

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Q6. Explain what the meaning of analogous structures is

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Q7. Explain what is meant by the term ‘homologous structure’ and refer to an example in your answer

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Q8. Suggest why the Tasmanian Tiger was not found in mainland Australia at the time of European settlement, despite having fossils on mainland Australia and Tasmania

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Q9. Scientists use information gained from sedimentary rock to arrange animal and plant fossils into some kind of evolutionary sequence over time. Explain how such sequencing is possible.

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Q10. Briefly explain why so many different horse species have existed over the last 60 million years?

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Q11. Why are fossils most commonly found in sedimentary rock?

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Q12. Suggest a problem when setting up a captive breeding program

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