Question

Compare to Ostichthyes and Chondrichthyes.​

Answer 1

Answer:

Ostichthyes

• The type of fish in which skeleton is made up of bone and cartilage.
• They do repiration by lung or swim bladder.
• They swims in forward and backward direction both.

Chondrichthyes

• The type of fish in which skeleton is made up of cartilage only.
• They do respiration by gills.
• They are swims in forward direction only.