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Sea anemone
Sea anemones
are a group of water-dwelling,
predatory
animals of the
order
Actiniaria
. They are named for the
anemone
, a terrestrial
flower
. Sea anemones are classified in the phylum
Cnidaria
, class
Anthozoa
, subclass
Hexacorallia
. Anthozoa often have large
polyps
that allow for digestion of larger prey and also lack a
medusa
stage. As
cnidarians
, sea anemones are related to
corals
,
jellyfish
,
tube-dwelling anemones
, and
Hydra
.
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