Coral Reefs
Ocean Animals
Deep Ocean
Human Impact
Ocean Facts
100

Colorful biome home to clownfish and sea anemones.

What is a coral reef?

100

This mammal is the largest animal on Earth.

What is the blue whale?

100

The deepest part of the ocean is called this

What is the Mariana Trench?


100

Trash in the ocean is often made of this material.

What is plastic?

100

About this percentage of Earth is covered by oceans.

What is 70%?

200

Coral reefs are mostly found in these warm waters near the___

What is the equator?

200

Sharks to this group of animals with skeletons made of cartilage.

What is cartilaginous fish?

200

Very little sunlight reaches this ocean zone.

What is the aphotic zone?

200

This human activity removes too many fish from the ocean.

What is overfishing?

200

The Pacific is the largest of these.

What is an ocean?

300

Tiny animals called these build coral reefs.

What is polyps?
300

Sea turtles return to bleaches to lay these.

What are eggs?

300

Animals in the deep ocean sea often create their own light using these processes.

What is bioluminescence?

300

Oil spills can seriously harm these ocean birds and animals.

What are marine animals?

300

Ocean tides are mainly caused by the Moon's ____.

What is gravity?

400

Largest coral reef system in the world.

What is the Great Barrier Reef?


400
This intelligent ocean animal uses echolocation.

What is a dolphin?

400
The deep ocean has extremely high ___.

What is pressure?

400

Climate change causes oceans to become warmer and more ___.

What is acidic?

400
Saltwater freezes at a lower temperature than this type of water.

What is freshwater?

500

Coral bleaching is many caused by rising _____ temperatures.

What is ocean temperatures?

500

An octopus was this many arms?

What is 8?

500

This is strange fish uses a glowing lure to attract prey.

What is an anglerfish?

500

Protected ocean areas are called marine ____.

What are sanctuaries?

500

Phytoplankton produce much of Earth's ____.

What is oxygen?

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