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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

Do coral spend their adult lives as medusas yes or no?

It is a false belief that corals spend their adult lives as medusas. Corals spend their adult lives as polyps.

Can you put coral in a fresh water fish tank?

While some saltwater fish, most notably damselfish, can be slowly converted to fresh water, coral are more sensitive, and no known species can live in even brackish water.

Check out Pine lake Alberta southeast of Red Deer. It has freshwater "coral", but they are actually stramatolites. It looks like Brain Coral. This is a popular SCUBA diving spot in the region.

There are also species of freshwater jellyfish, which is close to coral on the family tree. Freshwater jellyfish usually live in the coastal areas, in rivers and lakes.

How do you beat hydra?

The Hydra was a fearful monster in Greek mythology with many heads. Whenever you cut one off, two more appeared in its place. Destroying the Hydra was one of the twelve labours that Hercules/Heracles was required to perform. To kill the monster, the heads were cut off, then the stumps were burned so that they could not grow back.

What color shirt matches coral pants?

it depends on what style you are going to make.

assumed you would like to make a carol for a shorts or skirt (bottom). i suggest to use white color or light apple green. for tops, such as tee causal wear looks better.

How did Hercules kill hydra?

There are different stories on this; he either strangled it, or shot it with a specially created arrow.

What is a animal or person that is being hunted called?

A person who hunts animals for their fur is called a fur trapper.

What is an example of cnidarians?

Cnidarians are the group of invertebrate animals which possess stinging cells called cnidocytes. The popularly-known cnidarians fall into only a couple of major groups. The Anthozoans or corals, sea pens, and anemones are sessile--that is stationary in lifestyle. The Scyphozoa or jellyfish are motile (mobile in lifestyle). So, the answer to the question is that anemones, coral, and jellyfish are all cnidarians.

What is the life cycle of a hydra?

The life cycle of a hydra involves a two-stage process: asexual reproduction through budding, where a new hydra grows from the parent's body, and sexual reproduction through the release of eggs and sperm. Hydras are immortal creatures, as they do not show signs of aging and can continuously regenerate damaged tissues.

What does hydra feed on?

Since Hydra is part of the group of cnidarians, it is a bit more complicated than a sponge. The way that hydra digest their food is through extracellular digestion. This means that hydra actually have a special gut cavity that traps and digests food instead of having a bunch of cells do it, like a sponge. This gut cavity only has one opening and during digestion, enzymes from the cell wall are released to aid in breaking down the food. Once digested, the food is engulfed by cells from the wall into tiny particles through a process called Phagocytosis.

Are cnidarians protostomes?

No, cnidarians are not protostomes. They are classified as diploblastic animals, meaning they have two germ layers during development (endoderm and ectoderm), whereas protostomes are triploblastic animals with three germ layers. Cnidarians are more closely related to animals like jellyfish, corals, and sea anemones.

How do yu get hydras scale on poptropica?

To get the hydra's scale you have to jump on its heads when it tries to bite you. Keep doing this until you have knocked out all the heads. Once you've done that go under the hydra and get the scale.

How do you say 'hydra' in Japanese?

Hidora or hyudora.

The constellation is umihebiza.

How hydra got its name?

The origin of the name comes from the genus hydra an animal with radial symmetry

and the ability to regenerate limbs similar to the greek monster that you're referring to. It regenerates cells at a remarkable pace to maintain survival like how it never dies from father time just like the Genus Hydra not the Marvel terrorist organization. That name came from Lernaen Hydra.

How far is the hydra constellation from Earth?

Any constellation is a group of stars that appear to form some kind of pattern,

but have no connection with each other. They all happen to be in roughly the

same direction from us, but they're all at different distances. So there's no

such thing as a constellation's distance from us.

How many tentacles does hydra have?

As hydra reproduce by the process of binary fissuion,they move with the help of their tentacles hydra may possesses most probably 4to5 tentaclesthese helps them to move from one place to another

Was hydra a girl or a boy?

Hydra is a mythical creature with multiple heads and when one was destroyed, two (or one) replaced it. Hydra is a female, and is the daughter of Echidna and Typhon. Hydra was slayed by the hero, Hercules.

Hope i helped! Thanks!

How much does coral grow each year?

Less than half an inch! That's why it's illegal to take it from the ocean.