Question
Biology Question on Kingdom Animalia
Which of the following is flightless bird ?
A
Ostrich
B
Emu
C
Kiwi
D
All of these
Answer
All of these
Explanation
Solution
Ostrich, Emu, Kiwi all are flightless birds. They all are under subclass Neornithes. Tail is short and usually ended in a pygostyle. The retrices are arranged in a semicircle around the pygostyle.