Question

Lamprey Petromyzon is ____________.

• A. Carnivorous
• B. Sanguivorous
• C. Ectoparasite
• D. Both B and C

Answer 1

The correct option is D Both B and C

D. Both B and C

Reason: Animals who fed on blood are known as Sanguivorous animals. Lamprey or Petromyzon is one of the examples of Cyclostomes, the most primitive vertebrate alive on earth. They act as an ectoparasite on different species of marine fishes. they remain attached to them through the help of a sucker apparatus and fed on them. So the correct answer is D.