What are the organisms that build coral reefs?

Give at least three reasons why Coral Reefs are dying.

Break this sentence up into two simple sentences: My brother, who is an artist, always has new ideas.

Think about at least 3 advantages of coral reef. (advantages = benefits YL 10 -_-')

What is the event when coral loses its color and turn white? (You should know this by now -_-)

Which is the world's largest coral reef?

How does a sea cucumber respond to its predator?

What have the humpback whale's flippers inspired? (definitely not plane's wings)

Where does the relative/adjective clause stay in a sentence?

Hermit crabs usually live in any abandoned shells. True or False?

What kind of environment does the seahorse live in?

Which three Oceans do seahorses live in? (Good luck ;p)

How many subway cars were dropped into the ocean over the course of the project?(Yeah this one was literally taken from the workbook questions!)