Why would an increase in ocean temperatures endanger many species that depend on coral as a home and food supply?

This can leave the coral reefs vulnerable to other threats and disease and even kill the coral colonies from starvation.

Increasing carbon dioxide also leads to ocean acidification, where the more acidic water slows coral growth rates and weakens their skeletons.

Coral reefs provide habitat for a great variety of fish. Different kinds of species use these habitats as a protection area to raise young. If the coral reefs disappeared then this would affect the population of species, and disturb the food chain.

For example, if the coral dies, then the clownfish who use the coral reef to rise young would not able to grow their species , and then the dolphins that eat the clownfish would have no food.

Ways to protect the coral reefs from high temperature.

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Coral reefs are the most important and diverse habitat on the Earth, home to countless species in the oceans from tropical fish to sea cucumbers to dolphins, crabs, shrimp, jellyfish.

Coral reefs play a vital role in the maintenance of the health of the oceans. They are important to cycling the nutrients and water quality, which are essential to all species.
If the coral reefs die then this could have a harmful effect on many species including dolphins.

Coral reefs have been disappearing because of high temperatures caused by humans. If coral reefs disappeared forever then many species would vanish because their only food source disappeared