Jellyfish - Wikipedia, the free encyclopedia

Jellyfish - Wikipedia, the free encyclopedia

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日期:2024-05-25
Jellyfish or jellies[1] are the major non-polyp form of individuals of the phylum Cnidaria. They are typified as free-swimming marine animals consisting of a gelatinous umbrella-shaped bell and trailing tentacles. The bell can pulsate for locomotion, whil...看更多