Question

Cyclostomes are also termed as false fishes due to absence of
A) Scales
B) Caudal fins C) paired fins
D) Both 1 & 3​

Answer 1

Answer:

Due to absence of caudal fins

Answer 2

Answer:

Correct Answer is D) Both 1 & 3. Cyclostomes are termed as false fishes due to absence of scales and paired fins.

Explanation:

Cyclostomes are the parasitic vertebrates that feed on fishes during their adult phase. They resemble to Eels morphologically. Their skin do not possess scales like normal fishes. Apart from this, they also don't possess jaws and paired fins. Therefore, they are categorised as false fishes.

What are Scales?

They are basically small but rigid plates that grows out of skin of a fish.

What are Paired Fins?

Paired Fins are set of two fins that works in with correspondence to each other and helps fishes to float.