The ocean is divided into these levels based on depth.
What are oceanic zones?
This is the characteristic that classifies animals into this category.
What are animals without a backbone?
Unlike its cousins on land, this marine reptile has flippers instead of claws and cannot pull inside its shell.
What is a sea turtle?
One way to tell seals and sea lions apart is by their ears. This one has visible ear flaps.
What is a sea lion?
They bask in the sun to warm up.
How do marine iguanas regulate their body temperature?
The brightest of the ocean zones.
What is the sunlight zone? (or epipelagic zone)
Jellyfish, coral, and sea anemones are classified in this phylum.
What is cnidarians?
This marine vertebrate has scales and fins, but no eyelids.
What is a fish?
Pinnipeds (like sea lions, seals, and walruses) have this to keep them warm.
What is blubber?
This animal excretes excess salt through modified tear glands in their eyes
What are Sea Turtles?
This is the common name for the mesopelagic zone, where sun dimly reaches.
What is the twilight zone?
Echinoderms, with their spiny skeleton, include sea cucumbers, sea urchins, sand dollars, and this - not a fish and not part of a constellation!
What is a star fish? (Or sea star)
This special kind of fish has an excellent sense of smell and hearing!
What is a shark?
Animals like the sea otter and polar bear in carnivora have this in addition to blubber to keep them warm.
This animal mimics the appearance of the sea crate to avoid predators
What is the banded snake eel?
This zone is a great place to find seashells.
What is the intertidal zone?
This cephalopod does not have an internal shell, like its cousins, the squid and cuttlefish.
What is an octopus?
Instead of bones, sharks have this.
What is cartilage?
These mammals are part of cetaceans.
Any of these:
What are dolphins / whales / porpoises ?
Adult female sea turtles use this to navigate thousands of miles back to their hatching sites.
What are biological compasses?
How much of the Earth is covered in oceans?
Approximately 71%
They have bodies full of tiny holes called ostia.
What is a Sponge?
The average number of gills on a fish.
What is 5 gills? (Between 4-7)
This kind of whale has 2 blowholes and no teeth as the toothed whales do.
What are baleen whales?
This marine reptile has highly sensitive ears that allow it to hear their hatchlings.
What is the saltwater crocodile?