Paleontology Cnidaria and Nematocysts Cnidaria‚ also called Coelenterata‚ is a large phylum of marine organisms with around 10‚000 species. These species are corals‚ jellyfish‚ various plant-like organisms‚ as well as many others. These are all very different from each other‚ except for one similar attribute. They all have Nematocysts‚ which are stinging cells used by all Cnidaria for either defense or hunting. Nematocysts have a variety of functions to fulfill these tasks. The organism can use
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Cnidaria Hydra‚ Jellyfish‚ Coral‚ & Sea Anemones Phylum Cnidaria- Examples Sea Anemones and Corals - Anthozoa Hydra- Hydrozoa Jellyfish - Scyphozoa Ctenophores - non stinging Cnidarians; Comb Jelly Anatomy A. Polymorphism- Cnidarians have more than one body form: 1.Polyp 2. Medusa Polyp Form Tube with tentacles around the mouth Sessile Medusa Form Umbrella Shape Tentacles around mouth Motile‚ Free-swimming Tentacles Have nematocysts (stinging cells) coiled thread discharges
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Cnidaria is a large phylum composed of some of the most beautiful of all the salt and freshwater organisms: the true jellyfish‚ box jellyfish‚ coral and sea anemones‚ and hydra. Although Cnidaria is an incredibly diverse group of animals‚ there are several traits that link them together. Most cnidarians are dipoblastic‚ which means that they are composed of only two layers of cells. The outer layer is known as the ectoderm or epidermis‚ and the inner layer is known as the endoderm or gastrodermis
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Cnidarians Cnidaria is a phylum containing some 11‚000 species of simple animals found exclusively in aquatic‚ mostly marine‚ environments. Cnidarians get their name from cnidocytes‚ which are special cells that carry stinging organelles. The corals‚ which are important reefbuilders‚ belong here‚ as do the sea anemones‚ jellyfish‚ sea pens‚ sea pansies and sea wasps. The names Coelenterata and Coelentera were once applied to the group‚ but those names included the Ctenophores‚comb jellies
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around the earth.It has verey dangreouse teticlaes that are 10 Feet long. scyphozoa Scyphozoa is a jellyfish Shaped like a upside down cup.The Scyphozoa are an exclusively marine class of the phylum Cnidaria referred to as the true jellyfish It includes Conulariids. Cnidaria meaning Cnidaria
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and paralyze its prey making it rather easy to capture its meal. Historically‚ the hydrozoans have been divided into a number of orders‚ according to the way they grow and reproduce. (4) “Hydrozoans or “water animals” belong to the phylum Cnidaria. Cnidaria‚ which means “stinging thread” contain over 10‚000 species‚ 3200 of them belonging to class Hydrozoa. This phylum includes things such as Sea Anemones‚ Jellyfish‚ and Corals to sum it up. They are similar in that they possess radial symmetry
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Mock Exam Biology 114 Chapters 32 (Intro to Animals)‚ 33 (Protostomes)‚ 34 (Deuterostome) and Fungi __C___ 1. A crab is a member of the phylum a. cnidaria b. mollusca c. arthropoda d. annelida e. ctenophore ___E__ 2. When asked‚ you tell a child that a centipede is a a. member of the class insecta b. part of the largest phylum arthropoda‚ related to the lobster c. part of the subphylum cheliceriformes d. part of the subphylum myriapoda e. B
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[pic](*) The anatomy of a sponge. [pic]What the skeleton of a sponge looks like. [pic](*) Purple and Yellow Tube Sponge (1) "Sponge‚" Microsoft Encarta 96 Encyclopedia‚ 1993-1995 Microsoft Corporation. BACK TO THE INVERTEBRATES PAGE! Phylum: Cnidaria Class: Anthozoa [pic] Corals come in all shapes and sizes--some are reef-builders while others are non reef-builders: The reef builders are the corals that can be seen in the Great Barrier Reef off Austrailia. Reef builders build high structures
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biol Unit 5 Individual Project Name: Bradlee Melton Date: 4/27/2013 Part 1. There are 9 animals in nine different Phyla. Be sure to look at every page. | |Animal |Phylum |Dichotomous Key (steps) |Classification | |1 |[pic][pic] |Cnidarian |1b‚ 2a. 3b |Class
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Animal Phyla Lab Adapted from “Phylum Lab” produced by the National Aquarium in Baltimore The diversity of animal life on Earth is astounding. Each animal has a unique body plan which allows it to survive and adapt to its given surroundings. With such an abundance of species‚ classifying animals into different categories is necessary. At first the diversity of animals can be overwhelming‚ but after further research and observation‚ many likenesses appear. These similarities become the basis for
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