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6.3 The development of understanding of genetics and evolution

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Question 20
F

Scientists find a mineral copy of a shell and a preserved trail of footprints in rock. No original shell material or foot tissue remains.

Which statement correctly identifies how both fossils formed?

[1]
A

The shell formed by inhibited decay; the footprints formed by replacement of foot tissue.

B

The shell formed by mineral replacement; the footprints formed by preservation of original tissue.

C

The shell formed by inhibited decay; the footprints formed by preservation of movement traces.

D

The shell formed by mineral replacement; the footprints formed by preservation of movement traces.

Markscheme

6.3 The development of understanding of genetics and evolution Questions

  1. GCSE
  2. /Biology
  3. /6.3 The development of understanding of genetics and evolution

71 exam-style questions on AQA GCSE Biology 6.3 The development of understanding of genetics and evolution, covering 6.3.1 Theory of evolution, 6.3.2 Speciation, 6.3.3 The understanding of genetics, 6.3.4 Evidence for evolution, 6.3.5 Fossils, 6.3.6 Extinction, and 6.3.7 Resistant bacteria. Each one has a worked solution and a mark scheme showing where the marks go.

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