Which is/are not correct about flightless birds?  I. These b irds show discontinuous
Channel: Doubtnut
Date: 2020-05-03

Which is/are not correct about flightless birds?  I. These b irds show discontinuous distriburtion.  II. They have well-developed legs, head is small, rudimentary eyes and wings.  III. Oil glands, keel, pygostyle and syrinx are present.  IV. The male has a large penis.