Which sentence from the article helps the reader understand that coral reefs are important?AMonths of increasing ocean temperatures are damaging reefs.BThis leaves the coral reefs exposed to disease.CAustralia's Great Barrier Reef is the largest coral reef system in the world.DRoughly 850 million people worldwide rely on coral reefs.

Why are coral reefs so important?  Select ALL correct optionsThey capture and store carbon.1They provide a nursery zone for juvenile fish.2They protect coasts from storms.3They provide a habitat for small animals.4

While coral reefs only make up a small portion of the ocean geographically, they are home to about a quarter of all ocean organisms. Coral reefs are an integral part of ocean ecosystems, but ecologists are concerned about climate change interfering with coral's food chains. The ecologists say that by eliminating overfishing and human pollution, reefs will have higher survival rates and become significantly more healthy. According to the text, why are ecologists worried about coral reefs? They can be toxic for specific types of marine wildlife.eliminateThey are not big enough to home all of the species who need to live there. eliminateThey are being overfished so their populations are dwindling.eliminateThey are unable to sustain life due to the severe impacts from various human activities.

Describe three examples of how healthy coral reef ecosystems are valuable to human society.

Based on the article, the reader can infer that __________.A.the town of Bocachica relies upon the coral reefs to support its active tourism industryB.the increased presence of scuba divers is a main cause of pollution and decreased fish populations in coral reefsC.the marine ecosystems do not have as many environmental guardians or activists as do ecosystems on landD.the community of Bocachica can protect nearby coral reefs if it works to change harmful practices

Explain why the death of corals is especially threatening to a reef ecosystem, even if it has high biodiversity.