What defines one coral specie other species?

Question

Coral is a lot of polyps connected together.

Do different species of coral contain different species of polyps?

And what is the difference between different species of coral? What defines one coral from another?

Thanks

Answer 1

Favorite Answer

SCIENTIFIC CLASSIFICATION:

http://www.seaworld.org/animal-info/info-books/cor...

http://www.peteducation.com/article.cfm?c=16&aid=2...

PHYSICAL CHARACTERISTICS

http://www.seaworld.org/animal-info/info-books/cor...

HABITAT & DISTRIBUTION

http://www.seaworld.org/animal-info/info-books/cor...

Illustrated site "characteristics":

http://animals.about.com/od/cnidarians/ss/cnidaria...