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Jellyfish, also known as sea jellies, are the medusa-phase of certain gelatinous members of the subphylum Medusozoa, which is a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a
Oct 4, 2018 · How much do you really know about jellyfish? Given their diverse evolutionary history, jellies exhibit a fantastic range of shapes, sizes, and behaviors. Learn all about these squishy,...
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- Nat Geo WILD
Aug 2, 2024 · Learn about jellyfish, marine invertebrates with about 200 species, some of which have stinging cells and others that are sessile or filter feed. Find out how they reproduce, where they live, and what threats they face.
- The Editors of Encyclopaedia Britannica
Learn about jellyfish, the ancient invertebrates that float on ocean currents and sting their prey. Find out how they eat, where they live, and why they are sometimes dangerous to humans.
Other articles from kids.nationalgeographic.com
Jun 16, 2024 · Learn how jellyfish are made of mostly water and have a simple nervous system, digestive cavity, and radial symmetry. Find out how they sting with their tentacles and what phylum they belong to.
Dec 3, 2020 · Learn about jellyfish, the oldest animals on Earth that belong to the phylum Cnidaria. Discover their anatomy, reproduction, sting, bioluminescence, and space travel.
Apr 8, 2022 · Learn about the ancient, diverse, and adaptable jellyfish, from their possible immortality to their deadly stings. Discover how they cope with climate change, vision, and more in this article by Treehugger.
