Exploring The Fascinating World Of Invertebrates: Which Group Do Jellyfish Belong To?
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What Is A Jellyfish Classified As?
A jellyfish is classified as a member of the phylum Cnidaria, which encompasses various marine creatures such as jellies, sea anemones, and corals. Within the expansive Cnidaria phylum, there exist over 10,000 distinct species. It’s worth noting that among these, fewer than 4,000 belong to the subphylum Medusazoa, which includes the creatures commonly referred to as jellyfish. This information was recorded on April 30th, 2018.
Are Jellyfish A Phylum Or Symmetry?
The classification of jellyfish within the animal kingdom relates to their phylum and symmetry. Jellyfish belong to the phylum Cnidaria, a group that also includes sponges, echinoderms, and other cnidarians. When it comes to symmetry, jellyfish, specifically those belonging to the Aurelia species, exhibit radial symmetry. Radial symmetry is a characteristic shared by various organisms within the Cnidaria phylum, including jellyfish, where their body parts radiate from a central point, making them symmetrical in a circular or star-like manner. This type of symmetry allows them to efficiently capture prey and navigate their aquatic environment.
How Are Jellyfish Invertebrates?
Jellyfish are classified as invertebrates due to their distinct anatomical characteristics. Unlike vertebrates, they lack several key features essential to vertebrate physiology. Firstly, jellyfish do not possess a backbone, which is a defining trait of vertebrates. Additionally, they lack a heart to circulate blood, a centralized brain for complex neural processing, and gills for respiration. In fact, jellyfish are astonishingly composed of over 95% water, which contributes to their ethereal and delicate appearance. These collective features make them a prime example of invertebrate marine life, showcasing a unique adaptation to their underwater environment.
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jellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria), a group of invertebrate animals composed of about 200 described species, or of the class Cubozoa (approximately 20 species).All jellyfish are Cnidaria, an animal phylum that contains jellies, sea anemones, and corals, among others. There are more than 10,000 species of Cnidaria, and less than 4,000 of these are Medusazoa—those animals we think of as jellyfish.Sponges, echinoderms, and cnidarians exhibit radial symmetry. Jellyfish are under the phylum Cnidaria. Jellyfishes or Aurelia sp. show radial symmetry.
Learn more about the topic Which group of invertebrates are jellyfish.
- Jellyfish | Characteristics, Habitat, Diet, Anatomy, & Facts
- Jellyfish and Comb Jellies – Smithsonian Ocean
- Does a jellyfish have radial symmetry? – BYJU’S
- Jellyfish – Invertebrates – FWC
- Cnidarian | Definition, Life Cycle, Classes, & Facts – Britannica
- differentiate between starfish and jellyfish – Brainly.in
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