Some facts about hydra are that if you cut off one head another grows back. Another fact is that it's a myth.

One adaptation of a cnidarian is the ability to regrow an entire body part. They also use stinging tentacles to catch prey. Jellyfish are cnidarians.
Adaptations? Stinging tentacles (cnidoblasts) - pronounced nie-doe-blasts - sensitivity to light, pulsing motility, life cycle stages that take advantage of protected and food rich environments.

Well hydra has no specialized organs for respiration but exchange of gases is carried ou' by entire bodyy surface. Oxygen and carbon dioxide diffuse from the body digestive system. Thus an efficient exchange is carried ou by enteron..

A hydra does not have cephalization.

The Water Monster or Sea Serpent

how do hydra move

The seven main stars in hydra are:-

* Alphard - Alfard, Kalbelaphard, Cor Hydrae * γ Hya - Dhanab al Shuja, Cauda Hydrae * ζ Hya - Hydrobius * ν Hya - Sherasiph, Pleura * π Hya - Sataghni, Markeb * ε Hya - Ashlesha * ξ Hya

See related links for a star map and more information

yes sea anemones are in fact alive with there appearence they may not look it but they are very much alive

Yes; many cnidarians have an exoskeleton.

it eat the people and the p

The hydra takes in nutrition through the use of tentacles. The muscles of the organism absorb the nutrients as there is no circulatory, respiratory or urinary system.

like spokes on a wheel

All Cnidarians have nematocysts as a specialized organelle. Cnidarians use their nematocysts to capture prey and as a defense mechanism against predators.

Step 1, A budd, looking like a bump will appear onto the adult hydra. Step 3, Tectancles that look like long strains will help the new to be hydra get food. Step 4, the new hydra will depart from adult hydra and will start it's journey by it's self. I am sorry I do not know step 2. Step 1, A budd, looking like a bump will appear onto the adult hydra. Step 3, Tectancles that look like long strains will help the new to be hydra get food. Step 4, the new hydra will depart from adult hydra and will start it's journey by it's self. I am sorry I do not know step 2.

what is the arm like structures surrounding the mouth of cnidarians

Yes, Hydra is Multicellular.

cnidarians move from place to place. sponges dont.

Appendages in cnidarians are called tentacles . They are used in food capture and defense . Stinging cells are present in tentacles .

Same with how you make a lowrider hop except only up and down.

Go up with W, then press 2, to hide wheels, and hold 8, until camera will change. Goog flying! :)

(Go on) t r a n s t u t o r s . c o m

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parts of a hydra

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Because I cannot post a link, above there's directions to site with proper credit to "PenmatchaNagaVenkataGayathri" answering a question about Hydrozoa with better detail (when I couldn't find a reply on Answers to cut it.)

-hope it helps

It is called a polyp. Some examples are sea anemones and hydras.