1. OYSTERS

2. Image of oyster farm – baby oysters are attached to racks that are held above the bottom, and allowed to grow until they are harvested
Oysters are cultivated for food and for pearls
Oysters are farmed in estuaries, because they prefer brackish water.
This picture is taken at low tide. At high tide, the water will cover the oysters. 2

3. soft bodied oyster inside one of its shells 3

4. The empty two shells of an oyster are still connected- this animal may have been the prey of a sea star 4

5. Some species of oysters are notoriously delicious to eat
Some species of oysters are notoriously delicious to eat. What do you think? 5

6. Some species of oysters produce pearls by coating a tiny grain of sand with layer upon layer of a hard substance. 6

7. The shells of oysters can be used to make other things too, like these buttons. 7