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Calcareous-Composed of, containing, or characteristic of calcium carbonate, calcium, or limestone; chalky.
Polyp-A coelenterate, such as a hydra or coral, having a cylindrical body and an oral opening usually surrounded by tentacles.
Echinoderm-Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata, which includes the starfishes, sea urchins, and sea cucumbers, having an internal calcareous skeleton and often covered with spines.
Regenerate-To replace (a lost or damaged organ or part) by formation of new tissue
Gonad-An organ in animals that produces gametes, especially a testis or ovary.
Metamorphosis-A change in the form and often habits of an animal during normal development after the embryonic stage.
Radial symmetry-the property of symmetry about an axis; "the starfish illustrates radial symmetry” Regenerate-Restored to a better state; refreshed or renewed.
Metamorphosis-A change in the form and often habits of an animal during normal development after the embryonic stage. Metamorphosis includes, in insects, the transformation of a maggot into an adult fly and a caterpillar into a butterfly and, in amphibians, the changing of a tadpole into a frog.
Calcareous-resembling calcite or calcium carbonate especially in hardness
Polyp-A coelenterate, such as a hydra or coral, having a cylindrical body and an oral opening usually surrounded by tentacles.
Radial canals-it is in the fishes stomach
Bell-To utter long, deep, resonant sounds; bellow.
Medusa-The tentacle, usually bell-shaped, free-swimming sexual stage in the life cycle of a coelenterate, such as a jellyfish.
Predaceous-Living by seizing or taking prey; predatory
Porifera-Members of this Phylum
The American Heritage®
Dictionary of the English Language, Fourth Edition
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc WordNet ® 2.0, © 2003 Princeton University
The American Heritage®
Stedman's Medical Dictionary
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