Question 9
Support and MovementThe total number of caudal vertebrae in animals X and Y is 4 and 27 respectively. The animals are likely to be
- A.fish and human
- B.toad and rat
- C.toad and fish
- D.humans and rat
Show the answer and explanation
Answer: D (humans and rat)
Explanation
Humans have about 4 fused tail vertebrae (coccyx), while a rat's long tail has many caudal vertebrae.