Evolution Question 87
87. The presence of gill slits, in the embryos of all vertebrates, supports the theory of
[1995]
(a) biogenesis
(b) recapitulation
(c) metamorphosis
(d) organic evolution
Show Answer
Answer : b
Hints & Solution
(b) In the embryos of all vertebrates, the presence of gill slits supports the theory of recapitulation (repeating the early stages of embryogenesis in earlier evolved animals).