The Ocean
Invertebrates
Vertabrates
Marine Mammals
More marine biology
100

The ocean is divided into these levels based on depth.

What are oceanic pelagic zones?

100

Coral are in this kingdom classification.

What is animal kingdom?

100

Unlike its cousins on land, this marine reptile has flippers instead of claws and cannot pull inside its shell.

What is a sea turtle?

100

One way to tell seals and sea lions apart is by their ears. This one has visible ear flaps.

What is a sea lion?

100

This flightless bird has flippers and most live in the southern hemisphere.

What are penguins?

200

The brightest of the ocean zones.

What is the sunlight zone? (or epipelagic zone)

200

Jellyfish, coral, and sea anemones are classified in this phylum.

What is cnidarians?

200

This marine vertebrate has scales and fins, but no eyelids.

What is a fish?

200

Pinnipeds (like sea lions, seals, and walruses) have this to keep them warm.

What is blubber?

200

This is the largest whale.

What is the blue whale?

300

This is the common name for the mesopelagic zone, where sun dimly reaches.

What is the twilight zone?

300

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)

300

This special kind of fish has an excellent sense of smell and hearing!

What is a shark?

300

Animals like the sea otter and polar bear in carnivora have this in addition to blubber to keep them warm.

What is fur?
300

Toothed whales use this to help them navigate by making sounds.

What is echolocation?

400

This zone is a great place to find seashells.

What is the intertidal zone?

400

This cephalopod does not have an internal shell, like its cousins, the squid and cuttlefish.

What is an octopus?

400

Instead of bones, sharks have this.

What is cartilage?

400

These mammals live in the water and look a bit like fish, but they are not fish. 

Any of these:

What are dolphins / whales / porpoises / cetaceans?

400

A group of fish swimming together in a synchronized way.

What is schooling?

500

These mark the edges of the intertidal zone.

What are high tide and low tide?

500

When crustaceans outgrow their shells, they do this.

What is molt? (or shed and grow new)

500

When sharks lose these, they grow more!

What are teeth?

500

This kind of whale has 2 blowholes and no teeth as the toothed whales do.

What are baleen whales?

500

A coral reef that is separated from the shoreline with a channel of water

What is a barrier reef?