Fact 1: Sponges are a source of food for many species of fish. Fact 2: Coral reefs are homes to thousands of different kinds of fish, sponges, algae, and mollusks. Given the two facts above, what are coral reefs home to?

1). life
2). fish
3). H 2 O
4). humans
5). reptiles
6). tigers
7). a ray
8). eggs
Answer:
2).