An Underwater World

What kind of animals are corals?

• Rocks

• Tiny creatures that live in colonies

• Plants

• Underwater gummy bears

Where do corals live?

• In lakes

• In warm ocean water that stays above 64°F

• In deserts

• Inside giant seashells with TVs

What is left behind when a coral dies?

• A shell

• A limestone skeleton

• A sandcastle

• A note saying “Gone swimming”

What is a coral reef?

• A pile of rocks

• A large group of corals living together

• An underwater volcano

• A secret fish playground with slides

What is an ecosystem?

• A type of coral

• All the plants and animals living and interacting in a place

• A kind of fish

• A machine that makes bubbles

What does coral need to live and get its color?

• Sand

• Algae

• Plastic decorations

• Underwater crayons

About how many species have been seen in coral reefs?

• 1,000

• 10,000

• 100,000

• 5 really friendly dolphins

What do fish find in coral reefs?

• Places to hide and food to eat

• Surfboards

• Sandcastles

• Tiny treasure chests

What is one threat to coral reefs?

• Overfishing

• Too many turtles smiling

• Too much sunshine

• Dolphins playing loud music

How can global warming harm coral reefs?

• By making the oceans too cold

• By raising ocean temperatures

• By making the water disappear

• By giving corals sunburn