| Questions | Answers |
|---|---|
| The word mollusk means - | |
| Which sea creature doesn't have a brain? | |
| Coral is a plant. True or False? | |
| Coral is no bigger than - | |
| 90% of sea creatures live in which ocean zone? | |
| Ocean water is very dense because of - | |
| A bivalve mollusk can make a pearl. Bivalve means - |