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Characteristics. All coelenterates are aquatic, mostly marine. The bodyform is radially symmetrical, diploblastic and does not have a coelom. The body has a single opening, the hypostome, surrounded by sensory tentacles equipped with either nematocysts or colloblasts to capture mostly planktonic prey.
- How are coelenterates different from other invertebrates?
- Which is the peculiar character of Coelenterata phylum?
- How do coelenterates and platyhelminthes differ from each other?
- Which of the following feature is not suitable for Coelenterates?
- Which of the following is a characteristic feature of cnidarians?
- How do Poriferan animals differ from Coelenterate animals?
- What are coelenterates give one example class 11?
- What are two different forms of the body in Coelenterate animals?
- Is Coelenterata and Cnidaria same?
- Which type of fertilization is occur in coelenterates?
How are coelenterates different from other invertebrates?
an aquatic invertebrate animal of the phylum Cnidaria (formerly Coelenterata), which includes jellyfishes, corals, and sea anemones. They are distinguished by having a tube- or cup-shaped body.
Which is the peculiar character of Coelenterata phylum?
Nematocysts are the most distinguishing feature of this phylum. Coelenterates do not have sensory organs. Respiration and excretion occur through simple diffusion. The circulatory system is absent.
How do coelenterates and platyhelminthes differ from each other?
Coelenterates vs Platyhelminthes
Phylum Platyhelminthes are mostly parasitic, and they are triploblastic animals where the ectoderm is very specialized with a prominent epidermis. Coelenterates show tissue level organization. Platyhelminthes show organ level organization.
Which of the following feature is not suitable for Coelenterates?
The correct option is: a Choanocytes Explanation:Choanocytes are also called collar cells which are found in sponges. The flagellated collar cells in sponges maintain the flow of food bearing water.
Which of the following is a characteristic feature of cnidarians?
Cnidarians share several basic characteristics. All Cnidaria are aquatic, mostly marine, organisms. They all have tentacles with stinging cells called nematocysts that they use to capture food. Cnidarians only have two body layers, the ectoderm and endoderm, separated by a jelly-like layer called the mesoglea.
How do Poriferan animals differ from Coelenterate animals?
The body of Porifera is made up of a single layer of cells. The body of Coelenterate is made up of two layers of cells. Example : Spongilla, Euplectella, etc. Example : Hydra, sea anemone, corals, etc.
What are coelenterates give one example class 11?
The Phylum Coelenterata consists of marine organisms that have a body that is radially symmetrical and a mouth that has sensory tentacles that help in capturing prey easily. Other animals belonging to the Phylum Coelenterata are hydra, comb jellies, true jellies, sea pens, coral animals, sea anemones and more.
What are two different forms of the body in Coelenterate animals?
The coelenterates characteristically have two basically similar types of individuals differing in structural details, called the polyp and the medusa. The polyp is sessile.
Is Coelenterata and Cnidaria same?
cnidarian, also called coelenterate, any member of the phylum Cnidaria (Coelenterata), a group made up of more than 9,000 living species. Mostly marine animals, the cnidarians include the corals, hydras, jellyfish, Portuguese men-of-war, sea anemones, sea pens, sea whips, and sea fans.
Which type of fertilization is occur in coelenterates?
External fertilization mostly. Two sexual stages are found that is polyp and medusa. They show alteration of generations i. e. polyp produce medusa asexually and medusa produce polyp sexually. In hydra and adamsia polyp stage is present while in aurelia medusa stage is present.
