A reef is an aquatic hard-bottom community or habitat, with topographic relief. Reefs can be made of organisms (ie. coral or oysters), rocks, or man made structures.
reef
Blacktip reef sharks have evolved to have long thin serrated teeth. This is best for their diet of reef fish, it makes it easier to feed.
it makes it cloudier
It is made up of coral.
The hard coral polyp makes the coral
Topsoil that washes onto a coral reef as a result of human interaction makes the water cloudier, reducing photosynthesis.
because under water makes it live and flow
coral is a plant. usually underwater, it grows on a reef. therefore you get a coral reef.
because they are in the water for long
blah blah blah u should suck it
a plant that makes it's own food using the sun's energy. like coral
This is the world's largest coral reef, the Great Barrier Reef. It is over 2300 km in length, and the only living organism visible from space. The Great Barrier Reef lies off Australia's northeast coast, in the Coral Sea.