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5 Marine science questions? Will award everything! 1. Goldfish, tilapia and barracuda belong to which class of fish?

AOsteichthyes
BChondrichthyes
CAgnatha
DCountershaded 2. Lamprey and remoras belong to which class of fish?
AOsteichthyes
BChondrichthyes
CAgnatha
DCountershaded 3. While fishing you reel in a fish that you've never seen before. It is a dark blue-grey on its dorsal (top) side and white on its ventral (underbelly) side. What type of coloration does this fish demonstrate?
Adisruptive
Bcryptic
Cpredatory
Dcountershade

Verified Answer :

taskmasters

Question 1: The answer is (a.) Osteichthyes 
- Goldfish, Tilapia, and Barracuda most likely belong to this superclass. 90% of the fishes in the sea belongs here.

Question 2: The answer is (c.) Agnatha
- These type of fishes are eel-like in appearance like a lamprey. 

Question 3: The answer is (d.) Countershade
- It is a form of camouflage in which animal's pigmentation is lighter on the underside and darker on the upper side like sharks.