An evidence of a common ancestral for fishes, amphibians, reptiles, birds and mammals is the
A possession of wings by birds and bats
B cold-bloodedness of fishes, amphibians and reptile
C presence of gilll clefts in vertebrate embryos
D possession of scale by fish and reptiles
Answer is C
Do you need a high score in your Jamb or Utme Exams to get admission into your university of choice?
We are dedicated to your success in this year’s jamb exams. For your online tutorial Click Here To Get Started.
You can join our Telegram Page Here to get updates on your exams, tips, help, online lessons or tutorials, instructions on how to pass your jamb exams excellently