Question

Select the option with a correct representation of an animal belonging to the below mentioned class of vertebrates.
I. The notochord is persisitent throughout life. The mouth is ventral.
II. The skin is moist without scales . The tail may be present.
III. 6 to 15 pairs of gill slits. Jaws absent.
IV. Viviparous usually. pinna present in most of the members.

Answer 1

Answer:

1. true, true

2. true

3. false

4. false

hopefully it helps.