Question
Biology Question on Kingdom Animalia
Bird vertebrae are
A
acoelous
B
heterocoelous
C
amphicoelous
D
procoelous.
Answer
heterocoelous
Explanation
Solution
Bird vertebrae are heterocoelous i.e., the centra of vertebrae have saddle - shaped ends. Acoelous refers ! to vertebrae that are flat on both ends (mammals). Amphicoelous means both ends of the centrum are concave (fish). Procoelous means concave in front and convex in back (anurans and reptiles).