Science and Nature Quiz for 19 January 2022
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Question 1: What is unusual about the skeletons of sharks, skates and rays?
A
B
They have 20 vestigial "toe bones"
The spine is extra flexible
C
They have 50% more bones than other fish
D
They have no bones