Dolphins are mammals. There are various types of dolphins but bottlenose dolphins are the most common dolphin .......... species summary flight
Dolphins live in the ocean. Oceans are made up of ......... water. filtered salt fresh
Dolphins are very intelligent and use whistles and squeaks to ......... with other dolphins. melt arrest communicate
They understand each other well and scientists believe that they have their own .......... language books cards
Dolphins look like they have fun in the ocean because they play with each other as well as ......... out of the water. Another word for this is jump. shriek run leap
Dolphins and whales are examples of sea or ......... mammals because they are warm-blooded but live in the ocean. marine air land
Fish and sharks, however, are .........-blooded animals. cold warm hot
Fish can breathe under water because they have .......... Dolphins don't have these. ears gills scales
Dolphins don't have ......... like fish but, instead, have smooth, rubbery skin. surfs fur scales
Fish can breathe under water but dolphins have ......... so they must come up to the surface for air. hearts kidneys lungs