Question
Biology Question on Classification Of Animals
Ratitae are birds which have
A
flat breast bones
B
strong wing muscles
C
weak wing muscles
D
both (a) and (c).
Answer
both (a) and (c).
Explanation
Solution
Ratitae is a group of flightless birds. They are flat breasted birds in opposition to the Carinatae. They have the following characteristics - (i) keel to the sternum is absent, (ii) flat breast bone, (iii) coracoid and scapula fused together, (iv) weak wing muscles, (v) normally without a pygostyle.