Nematocysts are found only in what?

nematocyst, minute, elongated, or spherical capsule produced exclusively by members of the phylum Cnidaria (e.g., jellyfish, corals, sea anemones).

1. On which part of the cnidarian body are nematocysts found?
2. Do Mollusca have nematocysts?
3. In what type of specialized cells are nematocysts found?
4. What is nematocyst Class 9 answer?
5. In which phylum nematocysts are present?
6. Where are the 2 main locations of nematocysts?
7. How many kinds of nematocysts are present in cnidarians?
8. Which type of larva is found in Mollusca?
9. Do mollusks have a segmented body?
10. Where are the nematocysts found on the jellyfish?
11. Are nematocysts found in sponges?
12. What is the importance of nematocysts in phylum Cnidaria?
13. Where do you find nematocyst?
14. What are nematocysts Class 5?
15. What are nematocysts quizlet?

On which part of the cnidarian body are nematocysts found?

Cnidarians contain specialized cells known as cnidocytes (“stinging cells”) containing organelles called nematocysts (stingers). These cells are present around the mouth and tentacles, and serve to immobilize prey with toxins contained within the cells. Nematocysts contain coiled threads that may bear barbs.

Do Mollusca have nematocysts?

Abstract. Animals have evolved diverse mechanisms to protect themselves from predators. ... Nematocyst sequestration has evolved multiple times, having been documented in Ctenophora, Acoelomorpha, Platyhelminthes, and Mollusca.

In what type of specialized cells are nematocysts found?

Nematocysts are found in the phylum Cnidaria, which includes jellyfishes and sea anemone. Also called cnidocyte or cnidoblast, these are specialized cells found in the tentacles of jellyfish capable of projecting a thread-like structure as a form of self-defence or to capture prey.

What is nematocyst Class 9 answer?

Solution. The stinging cells present at tentacles of aquatic animals like jelly fish, hydra, etc in phylum coelenterata is called nematocyst (cnidoblast)

In which phylum nematocysts are present?

nematocyst, minute, elongated, or spherical capsule produced exclusively by members of the phylum Cnidaria (e.g., jellyfish, corals, sea anemones). Several such capsules occur on the body surface.

Where are the 2 main locations of nematocysts?

Ans. A nematocyst is found within the cnidocyte, while a cnidocyte is found on the creature's skin (or tentacles in the case of jellyfish).

How many kinds of nematocysts are present in cnidarians?

Across Cnidaria,~30 different types of nematocysts exist with high diversity amongst Medusozoa [180]. The diversity and complexity of nematocysts increased through evolution, from Anthozoa to Medusozoa and species are reported to each have between 2-6 different types [180] .

Which type of larva is found in Mollusca?

veliger, larva typical of certain mollusks such as marine snails and bivalves and a few freshwater bivalves. The veliger develops from the trochophore (q.v.) larva and has large, ciliated lobes (velum).

Do mollusks have a segmented body?

Mollusks may be primitively segmented, but all but the monoplacophorans characteristically lack segmentation and have bodies that are to some degree spirally twisted (e.g. torsion). ... The Pelecypoda are the bivalve mollusks and include oysters, clams, and scallops.

Where are the nematocysts found on the jellyfish?

Jellyfish have thousands of stinging cells on their tentacles, which each house a specialised structure called a nematocyst. A sting—which is designed to immobilise prey—occurs when nematocysts fire harpoon-like barbs into the victim.

Are nematocysts found in sponges?

Sponges are aquatic invertebrates in Phylum Porifera. ... Cnidarians are aquatic invertebrates in Phylum Cnidaria. They include jellyfish and corals, both of which have radial symmetry. All cnidarians have nematocysts, and many are bioluminescent.

What is the importance of nematocysts in phylum Cnidaria?

Nematocysts or cnidocysts represent the common feature of all cnidarians. They are large organelles produced from the Golgi apparatus as a secretory product within a specialized cell, the nematocyte or cnidocyte. Nematocysts are predominantly used for prey capture and defense, but also for locomotion.

Where do you find nematocyst?

The nematocyst is a minute, elongated, and spherical capsule which is present exclusively in the members of the phylum Coelenterata which contains jellyfish, corals, and sea anemones.

What are nematocysts Class 5?

What are nematocysts Class 5? A capsule within specialized cells in the tentacles of cnidarians, such as jellyfish and corals, containing a barbed, threadlike tube that delivers a toxic sting to predators and prey.

What are nematocysts quizlet?

Nematocysts are specialized cnidae (capsule-like organelles) inside cnidocytes (cells for defense and capturing prey), which comprise the tentacle. Nematocysts contain a stinging thread to penetrate the body wall of cnidarian's prey.