What are the differences between cartilaginous fish and bony fish?

Explanation .   :However, the most obvious disparity between the two types of fish is the composition of their skeleton. As the name suggests, “bony fish” have a skeleton composed of only bones while a cartilaginous fish has a skeleton made entirely of cartilage.

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle