Many have photosynthesizing algae within their tissue that produce oxygen. Dead coral also produces the foundation on which future generations of coral will live.
Coral Reefs
Coral is a marine invertebrate that lives in colonies in the ocean. Coral is both sexual and asexual and many coral colonies reproduce through budding.
Coral are small animals that build colonies in warm tropical waters. The coral reef is the ecoskelton of the animal. Black coral is just one color of coral ecoskelton.
The most famous polyp colonies are called, "Coral".
no
Sediments turn into coral reefs when coral colonies are formed over them, a process that can take thousands of years.
Coral makes up coral reefs. Coral by definition are microscopic animals with an outer skeleton of calcium carbonate that form colonies and are responsible for reef building.
By breaking off and making new corals.
A coral polyp is an individual coral cell, and when polyps stick together, they form coral a.k.a. Coral Polyp Colonies. Later, when the polyps die, their skeleton (which is like a hard shell) Strengthens the coral formation.
some coral reefs do live alone, but some live in groups called colonies.
CORAL
Coral reefs come from living organisms and they form colonies of all sizes and shapes.