Polyps, which are Sessile or stationary, and Medusa which move.
The body systems that cnidarians have take two forms. The main body forms are medusa and polyp. Cnidarians do not have a transport system and the body surface is used for gaseous exchange.
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Radial symmetry is the main one that distinguishes cnidarians from porifera.
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The main features of the 5 factor diet revolve around eating five meals a day and following an exercise plan. The diet is intended to be followed over a five week period.
small cnidarians and big cnidarians
The cnidarians are in the Kindom family
cnidarians have no nervous system
Yes, cnidarians are invertebrates.
It's usually sweet, it is served after a meal, it is usually a small serving. I'm out of features. Maybe someone else can add two more.
Sponges lack muscle cells for movement, while cnidarians lack a skeletal structure for support and protection. Without these features, these organisms are limited in their ability to achieve a more mobile lifestyle compared to animals with more specialized adaptations.