NEET BIOLOGY

Detailed explanation-1: -Coral reefs grow slowly in warm tropical waters, building up their colorful shapes over hundreds and thousands of years. These vibrant metropolises provide food and shelter for millions of species of fishes, sea turtles, crustaceans and invertebrates-making coral reefs one of Earth’s most diverse habitats.

Detailed explanation-2: -Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks or other hard surfaces along the edges of islands or continents. As the corals grow and expand, reefs take on one of three major characteristic structures-fringing, barrier or atoll.

Detailed explanation-3: -The coral reef is one of the major marine biomes. Although it is a relatively small biome, around 25% of the known marine species live in coral reefs. What is a coral reef? At first glance, you may think that coral reefs are made up of rocks, but they are actually live organisms.

Detailed explanation-4: -Atolls or atoll reefs are a more or less circular or continuous barrier reef that extends all the way around a lagoon without a central island. They are usually formed from fringing reefs around volcanic islands. Over time, the island erodes away and sinks below sea level.