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(a) Explain why fossil records as evidence of organic evolution are usually incomplete?
(b) Name the evidence of organic evolution exhibited by occurrence of similar amino acid molecules in a range of organisms.

Answer Text:
a)- Several fossil record are missing due to destruction of some fossils by geological activities such as earthquakes, distortion of parts of an
organisms during sedimentation while other parts or whole organisms decomposed hence did not fossilize.
b) Comparative serology