BIOXI04: ANIMAL KINGDOM
332381
Which of the following statement is incorrect w.r.t. class cyclostomata?
1 The members are ectoparasites on some fishes
2 Their body is devoid of scales and paired fins
3 Circulation is of closed ype
4 They are freshwater organism but migrate for spawning to marine water
Explanation:
Cyclostomes are marine but migrate for spawning to fresh water.