What is the skeleton of a coral made of? Is it just limestone?
Corals are marine invertebrates that form colonies of tiny animals called polyps. Polyps secrete a hard exoskeleton made of calcium carbonate, which is the main component of limestone. However, the skeleton of a coral is not just limestone. It also contains other minerals, such as magnesium, strontium, and barium. The composition of the coral skeleton varies depending on the species of coral and the environment in which it lives.
Related Questions and Answers
- What is the function of the coral skeleton? The coral skeleton provides support and protection for the polyps.
- How does the coral skeleton form? The polyps secrete calcium carbonate from their bodies, which builds up to form the skeleton.
- What is the difference between a coral and a sponge? Corals are animals, while sponges are animals. Corals have a hard skeleton made of calcium carbonate, while sponges have a soft skeleton made of spongin.
- What is the role of corals in the marine ecosystem? Corals provide habitat for a variety of marine organisms, and they also help to protect coastlines from erosion.
- What are the threats to coral reefs? Coral reefs are threatened by a variety of factors, including climate change, pollution, and overfishing.
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