Echinodermata Is A Phylum Of Math
The phylum echinodermata contains organisms that share a specific set of characteristics including spiny or bumpy skin.
Echinodermata is a phylum of math. Echinodermata is a phylum consisting of radial symmetrical marine animals. Echinodermata are exclusively marine species. Echinoderms are extremely unique because of their trait to regenerate body tissue organs and limbs. Starfish brittle stars echinoids which include the sea urchins and sand dollars sea cucumbers and sea lilies.
This phylum is a collection of some 7 000 living species described here. Radial symmetry is symmetry around a central axis. Till date there have been no traces of any terrestrial or freshwater echinoderms. These are multicellular organisms with well developed organ systems.
Echinoderms are marine animals they are unisexual and their body have a tough spiny exoskeleton. Phylum echinodermata belongs to kingdom animalia they are triploblastic animals. There are over seven thousand living species of echinodermata living on the ocean floor. They are exclusively marine organisms which usually inhabit in the bottom of the sea and move slowly.
The echinoderms belong to the phylum echinodermata and subphylum deuterostomia. But a few species are free swimming and some are affixed to the substratum. This name is derived from greek where echinos means spiny and dermos means skin. Echinoderms are all examples of marine stars sea cucumbers sea urchins sand dollars and brittle stars.
The organisms belonging to the phylum echinodermata are exclusively marine. General characteristics of phylum echinodermata they are commonly known as spiny skinned organisms.