(a) Convergent evolution is a phenomena where different structures of different embryonic origin evolve to perform same functions e.g. Wings of insects/ birds, eye of human being and octopus
(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
johnmulu answered the question on May 19, 2017 at 04:49
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