NEET BIOLOGY

Detailed explanation-1: -Pollution, overfishing, destructive fishing practices using dynamite or cyanide, collecting live corals for the aquarium market, mining coral for building materials, and a warming climate are some of the many ways that people damage reefs all around the world every day.

Detailed explanation-2: -Increased ocean temperatures and changing ocean chemistry are the greatest global threats to coral reef ecosystems. These threats are caused by warmer atmospheric temperatures and increasing levels of carbon dioxide in seawater.

Detailed explanation-3: -The leading cause of coral bleaching is climate change. A warming planet means a warming ocean, and a change in water temperature-as little as 2 degrees Fahrenheit-can cause coral to drive out algae. Coral may bleach for other reasons, like extremely low tides, pollution, or too much sunlight.

Detailed explanation-4: -They are the breeding grounds for a wide variety of sea-dwelling animals. Why is the human-caused damage to coral reefs of particular concern? Reefs provide food and shelter for the world’s most diverse collection of marine invertebrates and fish. regions of up welling and in shallow coastal waters.