WHAT'S INSIDE: MARINE LIFE
- Corals & Jellies
- Starfish & Related Organisms
- Other Marine Life
Oysters can create pearls from a single grain of sand. How exactly does an oyster create a pearl, and what is the difference between a natural pearl and a cultured pearl?
The sea squirt is a marine animal usually found in coastal areas. Most sea squirts live permanently attached to such objects as rocks, shells, and wharves.