BIOXI04: ANIMAL KINGDOM
332388
Which of the following is not correct about Lamprey?
1 Closed circulation
2 Larval stage absent in their life cycle
3 Sucking and circular mouth without jaw
4 Lamprey is marine but migrate for spawning to fresh water
Explanation:
Lamprey (Petromyzon) has a larval stage called Ammocoete larva.