Sea stars can push their stomachs outside of their body and insert it into its prey allowint them to digest the food externally.

What is the digestive system of a starfish. Catheters stents and accessories for cardiovascular products. Theyve also evolved structures to easily pry open the shells of their prey and a digestive system primed to digest much larger prey than you might expect. The ophiuroids generally have five long slender whip-like arms which may reach up to 60 cm 24 in in length on the largest specimens.

Both are shown in Figure below. The Digestive System. Jellyfish are clear dome-shaped aquatic creatures.

Characteristics of Life Living things are organizedLiving things are made up of cellsLiving things metabolize. Some of the phyla are Porifera Coelenterata Arthropoda Echinodermata Chordata etc. Seven Levels of Taxonomic Classification KingdomPhylumClass OrderFamily GenusSpecies Kingdom Animalia Characteristics All animals are multicellular.

There are organisms which have a U shaped gut and they typically live in a shell or under the sand and need to deposit their waste back at the surface. Living things maintain an internal environmentLiving things grow. This cell and the first few divisions of this cell have the ability to become any type of tissue.

An incomplete or complete digestive system. Starfish are also known as Asteroids due to being in the class Asteroidea. Invertebrates have one of two types of digestive system.

In many the mouth is on the underside and the anus on the top surface of the animal. It houses the digestive system kidneys reproductive organs and heart and it contains the circulatory system. Echinoderms have a simple digestive system with a mouth stomachs intestineand anus.