a) Organic evolution is the
progressive development of
complex organisms from
simple pre-existing life
forms over a long period of
time; (1mk)
b) i. Analogous structures –
structures that have
different embryonic origin
but modified to perform the
same function in different
animals; (1mk)
ii. Comparative embryology -
comparing embryos of
vertebrates; (to establish
their phylogenic evolutionary
relationship) 1mk
alexis sadro answered the question on October 8, 2017 at 17:57
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