the hard, colorful material formed by the shells of animals
The diver admired the beautiful coral under the water.
Snorkelers were amazed by the vibrant coral reefs teeming with marine life during their underwater exploration.
Environmentalists are working to protect coral ecosystems, as they play a crucial role in supporting diverse ocean biodiversity.
The coral's intricate patterns and bright colors create a visually stunning underwater landscape.
Scientists are studying coral bleaching events to understand and mitigate the impact of climate change on these fragile ecosystems.
