Holothuria Difficilis
''Holothuria (Platyperona) difficilis'' is a species of sea cucumber in the family Holothuriidae."WoRMS - World Register of Marine Species - Holothuria (Platyperona) difficilis Semper, 1868". ''www.marinespecies.org''. Retrieved 2022-4-24. Holothuria comes from Latin but is originally taken from Greek. Its meaning is a plantlike animal whose origin is uncertain. Description H. difficilis is a member of the phylum Echinodermata meaning they share a general body plan with other members of the phylum. These traits include pentamerous radial symmetry, an endoskeleton, an oral side opposite of an aboral side, a water vascular system, and tube feet.Pawson, David Leo and Miller, John E.. "echinoderm". ''Encyclopedia Britannica'', 29 Oct. 2020, https://www.britannica.com/animal/echinoderm. Accessed 25 April 2022. The oral side contains the mouth for feeding and the aboral side contains an anus used to rid of waste and for respiration. Tube feet is used for locomotion. H. difficilis als ...
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