Zoology Lab Quiz 7

phylum echinodermata

-class crinoidea

-class asteroidea

-class ophiuroidea

-class echinoidea

-class holothuroidea

class crinoidea

sea lilies

class asteroidea

sea stars

class ophiuroidea

brittle stars

class echinoidea

-sea urchins

-sand dollars

class holothuroidea

sea cucumbers

phylum echinodermata class asteroidea sea star

-madreporite

-mouth

-tube feet

-ampulla

-dermal ossicles

-gonad

-ambulacral ridge

-stomach

-pyloric ceca

phylum echinodermata class holothuroidea sea cucumbers

-tentacles

-pharynx

-tube feet

-longitudinal muscle bands

-ampullae

-respiratory tree

-cloaca

-intestine

-gonad

starfish pedicellariae

starfish ray cross section

phylum echinodermata class asteroidea sea star cross section

-dermal ossicle

-ampullae

-tube foot

-gonad

-pyloric cecum