9 12 17 15 18 Which of the following is a major difference

Last updated: 7/4/2023

9 12 17 15 18 Which of the following is a major difference between the chondrichthyans and the ray finned fishes Oonly ray finned fishes have paired fins Oonly chondrichthyans have a swim bladder chondrichthyans have a cartilaginous skeleton whereas ray finned fishes have a bony skeleton Ochondrichthyans evolved in fresh water whereas ray finned fishes evolved in salt water only chondrichthyans have true w