This class of fish has no jaw.
Agnatha
This is the most successful living marine reptile, 8 species. More streamlined forelimbs are modified as flippers.
Turtles
This aquatic species inhabits Antarctica
penguins
Mammals have a constant body temperature, so they are called _____.
Endotherms
Marlin and swordfish belong to this fish classO
Osteichthyes
This class of fish has cartilage instead of bone and a hinged jaw.
Chondrichthyes
Reptiles are __________ because their body temperature adjusts to the environmental temperature.
Ectotherms
This is the class for all birds. Hint (Aviators fly)
Aves
This suborders Pinnipedia and Fissipedia belong to this order
Carnivora (carnivores)
Sharks, rays, and skates belong to this fish class
Chondrichthyes
This class of fish has a bony skeleton
Osteichthyes
Reptiles breathe using _________.
lungs
This skeletal adaptation allows birds to fly.
Hollow bones
Cetacea, carnivora, and Sirenia are orders belonging to this class.
Mammalia (mammals)
Birds (Aves) and Mammals (Mammalia)
Bony fish have this structure to help them adapt to water pressure changes.
Air Bladder/Swim bladder
There is one surviving species of this animal that lives among the intertidal rocks and beaches of the Galopagos Islands
Lizard/Iguana
4
2 suborders Odontoceti and Mysticeti belong to this order
Cetacea
Vertebrates that live in water, possess gills and have fins
Fish
Lampreys and hagfish belong to this class
Agnatha
There are 50 species of this marine reptile living mosting in the Indian Ocean and western Pacific. They return to the surface to breathe.
Seasnakes
You might find this "lost" marine bird in our Walmart parking lot on occasion!
gulls
Manatees and dugongs belong to this Order
Sirenia
Vertebrates with hair and nourish young with milk from mammary glands
Mammals