Question

The animal kingdom is full of a rich and diverse group of organisms. Answer the following question using the choices provided. The answer choices may be used once, more than once, or not at all.
This group of animals is composed of organisms that are entirely aquatic and breathe with gills. They possess bony skeletons and breathe using gills.

• A. Class Chondrichthyes
• B. Class Amphibia
• C. Class Reptilia
• D. Phylum Echinodermata
• E. Class Osterichthyes

Answer 1

The correct option is E Class Osterichthyes

A. Class Chondrichthyes include the marine animals having cartilaginous exoskeleton and they breathe using lungs.

B. Class Amphibia include the cold blooded vertebrates that have a bony endoskeleton and they breathe using skin, gills or lungs.

C. Class Reptilia include the animals that have an ossified endoskeleton and they breathe using lungs.

D. Phylum Echinodermata include the marine spiny skinned animals and they breathe using skin gills.

E. Class Osterichthyes include the fishes that have a bony exoskeleton and breathe using gills.

So, the correct answer is 'Class Osterichthyes'.