9. Avoid the sun to prevent drying out
Remain in cracks and burrows at low tide
Close their valves tightly (barnacles,
oysters etc.)
Camoflouge
Tough outer shell or flexible & flat.
10. Provide homes for many animals
Important nursery area for fish and
crustaceans
Algae covered areas provide shelter for
certain animals
Provides lots of food for fish
The algae provide food for rare and
important marine turtles
Provide food for wading birds at low tide