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Ecology/ Evolution

invertebrate vocab

QuestionAnswer
spongocoel central cavity into which water flows through sponge
oscula openings out of which water is expelled
epithelial cells cover outer body; some modified to become porocytes
choanocytes (aka collar cells) maintain feeding current
mesohyl jellylike matrix holding cells together in sponge
amoebocytes digest and distribute nutrients; make reproductive cells
spicules skeletal elements of a sponge
mode of reproduction in a sponge asexual budding or sexual sperm and egg
define eumetoszoa true tissues
name the phylum of anemones, corals ad hydras cnidaria
are cnidarians radial or bilateral? diplo or triploblastic radial and diploblastic
name cnidarians' two tissue layers epidermis and gastrodermis. both layers have filaments that behave as primitive muscles and nerves
mesoglea gelatinous substance that holds tissues together
cnidocytes special cells at tips of tentacles that have poisonous barbs for capturing prey
what class are obelia, hydra and portuguese man-o-war in? hydrozoza
what class are jellies, sea wasp and sea nettle in? scyphozoa
what class are box jellies in? cubazoa
what class are coral and anemonies in? anthozoa
Created by: manka
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