Jellyfish - Wikipedia
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, although a few are anchored to the seabed by …
Jellyfish | Characteristics, Habitat, Diet, Anatomy, & Facts | Britannica
2024年10月25日 · 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). Learn more about the characteristics and natural history of jellyfish in this article.
12 Fascinating Facts About Jellyfish - Treehugger
2024年8月30日 · Jellyfish are odd animals that are ancient, adaptable, and in some cases, possibly immortal. Learn 12 interesting facts about these ocean dwellers.
Jellyfish Facts: Habitat, Behavior, Diet - ThoughtCo
2019年12月13日 · Found in all oceans of the world, jellies are made up of 90 to 95 percent water, compared to 60 percent for humans. Fast Facts: Jellyfish. Scientific Name: Cnidarian; scyphozoan, cubozoan, and hydrozoan. Common Name: …
Jellyfish facts and photos - National Geographic Kids
Jellyfish. Jellyfish have drifted along on ocean currents for millions of years, even before dinosaurs lived on the Earth. The jellylike creatures pulse along on ocean currents and are...
Jellyfish - Facts and Beyond - Biology Dictionary
2020年12月3日 · Jellyfish, also known as jellies, are fascinating animals that spend their lives floating in the oceans. Unlike their name suggest, jellyfish are not really fish as they lack a backbone. In fact, these animals are actually invertebrates and they are more closely related to corals, sea anemones, and sea whips than fish.
Jellyfish 101 | Nat Geo Wild - YouTube
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,...
Jellyfish Facts! - National Geographic Kids
Jellyfish facts for kids: learn all about these incredible invertebrates, with facts about jellyfish size, habitat characteristics, behaviour and diet.
Jellyfish 101 - National Geographic Society
2023年10月19日 · Jellyfish 101. 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, brainless, beautiful creatures.
Jellyfish - National Geographic
2009年10月29日 · Jellyfish are ubiquitous in the Earth’s oceans. They can thrive in warm water and cold, along coastlines or out in the deep. Their bodies are about 95 percent water. And though they have no...