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 Form 4 Biology questions and answers on evolution

(a) What is meant by convergent evolution?
(b) State two limitations of fossils as an evidence of evolution.

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Answer Text:
a)-Convergent evolutionis where structures with different embryonic are modified to perform similar functions e.g wings of birds and
insects, eye of human and octopus,vertebrates for human example squeal, legs of vertebrae and insects.
b)- Missing links since many fossils have not been excavated.
- Distortion of parts during sedimentation.
- Destruction of fossils by geological activities.
- Many fossils have not been discovered.


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