Part of land under shallow water
What is the continental shelf?
The largest of the sea turtles species
What is the leatherback turtle?
The majority of rays have this
What is a stinger?
Octopuses are masters at this
What is camouflage?
They have two siphon tubes and squirt water out one
What is a sea squirt?
The organ used for echolocation in a cetacean
What is a melon?
The covering of the shell made of keratin
What are scutes?
Shrimp, crabs, krill and trilobites are examples of these
What are crustaceans?
Cephalopods swim by this
What is jet propulsion?
Parasites that feed on blood
What are leeches?
The pinniped with ear flaps and long flippers
What is a sea lion?
This reptile has highly poisonous venom
What is a sea snake?
Sharks always carry of a backup of these
What are teeth?
The primary job of tube feet in echinoderms
What is to breathe?
An ecosystem that is important to sea life
What is a coral reef?
A pinniped that turns pink as their bodies warm due to excess blood flow at the skin.
What is a walrus?
A special organ that keeps fish afloat
What is a swim bladder?
A mollusk with two shells that open up
What is a bivalve?
The five teeth of a sea urchin
What is Aristotle's lantern?
The ribs and backbone are attached to this part of the shell of a sea turtle
What is the carapace?
The reason belugas travel to very shallow waters every year
What is to molt?
A primeval reptile that looks like a snake crossed with a sea turtle
What is a plesiosaur?
A snail living inside a coiled shell
What is a gastropod?
Cnidarians are mostly composed of these
What are mouth and tentacles?
One is the epidermis and one is the gastrodermis
What are the two layers of jellyfish skin?