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Class – Cyclostomata : 1. Their larvae udergo metamorphosis in fresh water 2. After metamorphosis, they return to the ocean Regarding 1 and 2:

( a ) Both are incorrect
( b ) Both are correct
( c ) 1 is incorrect but 2 is correct
( d ) 1 is correct but 2 is incorrect

1 Answer

(B) is the right answer.

Class – Cyclostomata : Cyclostomes are marine but migrate for spawning to fresh water. After spawning, within a few days, they die. Their larvae, after metamorphosis, return to the ocean
answered Jan 3, 2014 by pady_1
 

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