Calcarea (Calcareous Sponges ) is a class of sponges. There are 796 species of Calcareous Sponges , in 83 genera and 23 families. They are omnivores. They have sexual reproduction and asexual reproduction.
Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.
Definition: Capable of the biological process in which new individuals are produced by either a single cell or a group of cells, in the absence of any sexual process.
