what are comb jellies?
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Answer:
ctenophera===.comb jelly
Ctenophora comprise a phylum of invertebrate animals that live in marine waters worldwide. They are notable for the groups of cilia they use for swimming, and they are the largest animals to swim with the help of cilia. Depending on the species, adult ctenophores range from a few millimeters to 1.5 m in size.
Are comb jellies dangerous?
Comb jellies aren't harmful to humans, but they wreak havoc on the local ecosystem. In the Adriatic Sea, they don't have any predators yet. The rapidly reproducing comb jellies deplete supplies of plankton, as well as the eggs and larvae of fish like anchovies.
What do comb jellies do?
Comb Jellies' Unique Features
The combs act like tiny oars, propelling the comb jelly through the water. Many microscopic organisms, such as bacteria, also use cilia to swim—but comb jellies are the largest known animals to do so. The comb-rows often produce a rainbow effect.
What are comb jellies classified as?
Comb jellies are part of a small phylum allied to the cnidarians and similar to them in many ways. They are radially symmetrical like a cnidarian medusa, the body is mostly water, and they capture their prey in a somewhat similar manner with tentacles.
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Ctenophora comprise a phylum of invertebrate animals that live in marine waters worldwide. They are notable for the groups of cilia they use for swimming, and they are the largest animals to swim with the help of cilia. Depending on the species, adult ctenophores range from a few millimeters to 1.5 m in size. Wikipedia
Phylum: Ctenophora; Eschscholtz, 1829
Scientific name: Ctenophora
Higher classification: Radiata
Kingdom: Animalia
Rank: Phylum
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