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Phylum Cnidaria
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Nematocysts are found only in what?
Nematocysts are are only found in the animal phylum Cnidaria, which includes sea anemones, corals, and jellyfish.
Do jellyfish and coral belong to the same phylum?
Yes, jellyfish, coral and anemones are of the Cnidarian Phylum. (aka Coelenterate ) these all have stinging cells known as nematocysts. =]
Do comb jellies have nematocysts?
Comb jellies are somewhat different from true jellies (cnidarians). They lack stinging nematocysts and have developed other strategies to feed and protect themselves. Some of these include oral lobes to capture prey and sticky tentacles.
What anamiles haves pecialized stinging cells called nematocysts?
Nematocysts are specific to the phylum Cnidaria, which contains sea anemones, corals, and jellyfish, along with some less well-known animals. Nematocysts are the most common form of cnidocytes, the general term for the stinging cells all cnidarians possess.
What is a science term for jellyfish?
jellyfish belong to the phylum cnidaria. members of this phylum are called cnidarians (the "c" is silent when pronounced). other members of this phylum are corals, sea anemone, and hydras. they all have the common characterisitic of tentacles with stinging cells (nematocysts).
What does a nemertea worm eat?
actually nematocysts are stinging cells/ srtuctures of organisms of the Phylum Cnidaria such as corals, jellyfish, sea anemones to name a few. it's used to capture prey and repel predators. but species of this Phylum are mostly carnivorous.
What are cnidocytes?
cnidocytes are specilized cells where nematocysts are storednematocysts are poisonous harpoons that are stored like coiled springscnidocytes are unique to the phylum Cnidaria (corals, sea anemones, hydrae, jellyfish, etc.).
Which phylum includes animals that have radial symmetry and are often covered with spines?
The phylum Echinodermata includes animals with radial symmetry, such as sea stars, sea urchins, and sand dollars. These animals are often covered with spines and have a water vascular system that helps in movement and feeding.
What does cnidarian mean?
Cnidiarian is the word for the phylum of jellyfish and sea anemomes. Some of the requirements to make it into the Cnidaria Phylum are possessing radial symmetry, having no nervous system or head but having a nerve net, and possessing nematocysts (which are stinging cells unique to cnidarians). Nematocysts are also called cnidea, which likely is the basis of the meaning of the name Cnidaria.
Does a coral have a backbone?
Corals belong to the Phylum Cnidaria. Other animals that belong to the Phylum Cnidaria include jellyfish, hydrae, and sea anemones. Cnidaria are invertebrates (they do not have a backbone) and all have specialized cells called nematocysts that help them capture prey and defend themselves. Cnidaria exhibit radial symmetry.
Where are nematocysts located?
Nematocysts are located within a capsule in the cell. The capsule has a lid that opens when the nematocyst is discharged.
What is a jellyfish invertebrate or vertebrate?
A jellyfish is an animal in the cnidarian phylum along with anemones and other creatures with nematocysts (stinging cells). Some are tiny and some can grow very large (i.e. the lion's mane jelly). All jellyfish have nematocysts, however some jellies possess very weak nematocysts meant for tiny prey like copopods. The stinging cells in these jellies are generally not felt by humans with the exception of sensitive skin. Cnidarians do not possess brains, but some have eye spots for sensing light.
