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Cnidarians

Cnidarians are aquatic animals belonging to the phylum Cnidaria. Common cnidarians include to jellyfish, sea anemones, corals and the Portuguese Man o' War. Questions about all species of cnidarians can be directed here.

669 Questions

What reason are cnidoblasts important to the hydra?

A genus of small, freshwater cnidarians (coelenterates) which belong to the class Hydrozoa. Hydra is an exceptional member of this class because it is a mobile individual polyp rather than a sessile or colonial form, and uses its cnidoblasts to capture prey. Unlike most Hydrozoa, which spend at least part of their lives in a medusa form, which reproduces sexually, Hydra exists only as polyps. They are typically a few millimeters long.

Does hydra animal have a skeleton?

The hydra does in fact have a skeleton. The type of skeleton it has is a hydrostatic skeleton where a coelom, or cavity filled with fluid, is surrounded by skeletal muscles.

Mention 2 ways by which hydra can reproduce-?

Asexual and sexual reproduction, two methods of reproduction among animals, produce.

Which of the following organisms is not a Cnidarian?

The comb jellies and the cnidarians, Shellfish regularly consume poisonous red tide organisms.

What are the four major groups of Cnidarians and list an example of each?

Scyphozoa-Cannonball Jellyfish

Anthozoa-Tube Anemone

Hydrozoa-Portuguese Man of War

Cubozoa-Box Jellyfish

What is one type of cells that all cnidarians have?

Cnidocytes are the specific cells present in all cnidarians.Name of phylum Cnidaria is derived from the word cnidocyts which are stinging cells.These cells are most important cells for these animals because they are related with offence , defence and feeding.A cnidocyte consists of a capsule with a coiled filament barbs , a cnidocil , and a lid. It is discharged when cnidocil is touched.These cells are of 30 different types also used for attachment etc.

How is excretion in hydra?

Hydra is a simple multicellular organism,so,it throws out solid waste matter through their mouth.

What is a sea anemone diet?

fish, shrimp,isopods, amphipods, plankton

What body systems do cnidarians have?

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.

Are cnidarians protostomes or deuterostomes?

Although most of the animal phyla are included in the deuterostomes and protostomes, cnidaria, porifera, placozoa and ctenophora are not included in the group of animals know as Bilateria (which contains the deuterostomes and protostomes). Cnidarians and ctenophores are in a group called Radiata, and Porifera and Placozoa are in the group known as Parazoa.

What year is a Hydra-Mac skid steer serial number 62773?

It is impossible to tell what year a Hydra-Mac skid steer with the serial number 62773 is through known public records. You can try contacting the manufacturer for specifics or a manual.

What Greek myths are hydra in?

Type your answer here... the odyssey- the greek myth with the hero odysseus. The story was written by a greek poet Homer

What kind of medicine is made out of cnidarians?

Research is being done to determine how the venom of jellyfish can be used to treat cardiac problems.