Name an animal having rudimentary eyes.

Name an animal having giant sized nerve fibres.

Name an animal having liquid skeleton.

Phenotypically females having rudimentary ovaries, underdeveloped breasts, short stture webbing neck , often subnormal intelligence suggests

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.

All animals having feathers are

Name a reptile which has a rudimentary third eye and is treated as primitive and as connecting link?

Name the animal having both setae and nephridia

Name the animal having both setae and nephridia