What is the term for vertebrates who have a skeleton made of cartilage?
A) Osteichthyes
B) Chondrichthyes
C) Reptilia
D) Ophiuroids
Question 2
Waves with the greatest celerity, or speed, ____.
A) have the longest wavelengths
B) occur in shallow water only
C) form when the wind is blowing less than 0.5 nautical miles per hour
D) have the shortest wavelengths