Coral reefs face myriad threats from human activities. The good news is that there are things we can all do to reduce the stress on reefs.
Mass Reproduction
Mass Reproduction
How do corals reproduce while they’re rooted in one place? They release huge clouds of eggs and sperm into the surrounding ocean. This mass spawning occurs at night, triggered by a full moon.
If you visit a tropical reef today, you’ll see coral. But if you travel back in time to the Cretaceous Period, 100 million years ago, you’ll see reefs built by... clams.