Which among the following is incorrect about Agnatha?
A. These are also called as jawless fishes
B. Scales and fins are present
C. They adopt parasitic mode of nutrition
D. They have a circular mouth that acts as sucker
Answer:B
Which among the following is incorrect about Agnatha?
A. These are also called as jawless fishes B. Scales and fins are present C. They adopt parasitic mode of nutrition D. They have a circular mouth that acts as sucker