1) What type of animal is a dolphin?
2) What is the largest living organism in the ocean?
3) How many oceans are there in the world?
4) What type of creature is a seahorse?
5) What does a cnidarian have that other animals lack?
6) What is the process of photosynthesis called in corals?
7) Which of these creatures is not a type of marine mammal?
8) How deep in the ocean can sperm whales dive?
9) What type of creature is a porifera?
10) What is the name given to the large groups of plankton that stay together as they migrate?