Cómo hacer una concha marina - ¡Sólo añade agua!

The video explores the magical process by which ocean creatures like algae and snails create shells using calcium and carbonate from seawater. It explains how calcium carbonate forms more easily near the surface but dissolves at greater depths. The video also discusses the role of atmospheric gases, particularly carbon dioxide, in affecting ocean chemistry and shell formation. Feedback loops help stabilize ocean chemistry, but excessive carbon dioxide can disrupt this balance, potentially leading to a barren ocean environment.

What role do calcium and carbonate play in the formation of shells in ocean creatures?

How does the concentration of calcium and carbonate affect the dissolution of shells at different ocean depths?

Explain the feedback loop mentioned in the text regarding shell dissolution and calcium carbonate concentration.

What happens to shell construction when the concentration of carbon dioxide in the atmosphere increases?

Discuss the potential consequences for ocean ecosystems if the balance of calcium and carbonate is disrupted.