Chondrichthyes and Cyclostomata are two classes of this type of fish.
What are cartilaginous?
Snakes have these which enable them to consume the large meals that they catch.
What are double-hinged jaws?
Four-legged animals are called this.
What are tetrapods?
This cartilaginous fish has slime glands that create a slippery coating around it.
What is a hagfish?
Rattlesnakes have this type of venom that affects the circulatory system, causing the red cells to burst.
What is hemotoxic?
This is an iguanid’s throat fan.
What is a dewlap?
This group of cartilaginous fish have gill covers.
What are chimaeras?
In this type of locomotion, a snake moves across sandy ground by supporting part of its body at several points while moving its body to the side.
What is sidewinding?
This dinosaur group were dinosaurs of the sea with paddle-shaped feed and legs and long necks.
What are plesiosaurs?
The sawfish’s long and unusual nose is called this.
What is the rostrum?
In this type of locomotion, the snake slithers along an S-shaped curve.
What is lateral undulation?
These are the color-changing cells that give reptiles the ability to change color.
What are chromatophores?
In this type of locomotion, the snake alternately stretches and shortens its body.
What is rectilinear movement?