Coral reefs provide food and shelter to many ocean organisms.
Reef-building corals are hermatypic.
Hermatypic organisms provide food and shelter to many ocean organisms.
Hermatypic organisms provide what to many ocean organisms?
a: survival
b: food and shelter
c: competition
d: kinetic energy
e: produce light
f: important habitats
g: protect them
h: major threat to health