Read the following matches about chordates and it's characteristics. I. Petromyzon- belongs to Cyclostomata and are endoparasites on some fishes. II. Scoliodon- a Chondrichthyes in which teeth are modified placoid scales. III. Hippocampus- a cartilaginous aquarium fish known as a sea horse. IV. Ichthyophis is a limbless viviparous amphibian with direct development. Select the incorrect statements?

Question

Read the following matches about chordates and it's characteristics. I. Petromyzon- belongs to Cyclostomata and are endoparasites on some fishes. II. Scoliodon- a Chondrichthyes in which teeth are modified placoid scales. III. Hippocampus- a cartilaginous aquarium fish known as a sea horse. IV. Ichthyophis is a limbless viviparous amphibian with direct development. Select the incorrect statements? (A) II and III only (B) III and IV only (C) I and IV only (D) I, III and IV

Tardigrade Admin · Accepted Answer

Petromyzon- belongs to cyclostomata and are ectoparasites on some fishes. Hippocampus- a bony non-aquarium fish known as sea horse. Ichthyophis is a limbless oviparous amphibian with indirect development. Scoliodon- a chondrichthyes in which teeth are modified placoid scales.