Echinoderms Flashcards
“<b>What 3 organs are used fo respiration in echinoderms?</b>”
Gills, papula, tube feet
“<b>The first animal group to have a true brain and heart?<br></br></b>”
“Echinoderms<br></br><img></img>”
“<b>What is the role of madreporite?<br></br></b><img></img>”
preforation plug allows water in
“<b>what is the water vascular system</b>”
canals connecting to tube feet used for locomotin, respiration and feeding. Hydraulic system
“<b>what is the endoskeleton made out</b>”
connective dermis and calcerous ossicles
“<b>what is a pedicellaria?</b><b><br></br></b>”
“small pincer organ dor defense<br></br><b><br></br></b><img></img><img></img>”
“<b>are echinoderms segemented?</b>”
yes
“<b>are echnioderms hermphrodites?</b>”
no, dieocious
“<b>do echinoderms use internal fertilization<br></br></b><img></img>”
yes
“<b>what are dermal brachiae (Papulae)</b><br></br><img></img>”
skill gills, projections of coleom
“<b>what protects the gills on aboral side of echinoderms<br></br></b><img></img>”
paxillae
“<b>which is the aboral side?<br></br></b><img></img><b><br></br></b>”
top side away from mouth
“<b>do Crinoidea have a</b><b>pedicillaria, spines or madreporite</b>”
“<br></br><img></img><br></br>no pedicillaria, spines or madreporite”
“<b>Asteroidea (sea stars) vs Ophiuroidia (brittle stars)<br></br></b><img></img>”
“Asteroidea use tube feetfor movement while ophiuroidia use arms to move<br></br>sea stars have a complete digestion systen, brittle stars don’t have an anus and it only happens in central disc<br></br><br></br>Ophiuroidia:long spindly arms<br></br><br></br>”
“<b>what are ossicles<br></br></b><img></img>”
tiny bone bumps for protection and structure
“<b>what are the two stomachs of asteroidea?</b>”
cardiac - spews mouth on prey<br></br>plyoric - connects to digestion glands and intestines
“<b>how do Holothuriodea eat<br></br></b><img></img>”
sea cucumbers<br></br>tube feet - mucous oral tentaclels catch food, processed through long intesetines
“<b>how do</b><b>Crinoidea</b><b></b><b>move?</b>”
move with cirri and swim with arms
“<b>which echinoderm may have a holdfast?</b>”
crinoidea
“<b>which echinoderm has a complete digestion system</b>”
asteroidea
“<b>Which echinoderm catches food in muscous, then tube feet move it down the ambularcral grooves, then moved down pinnacles, into mouth</b>”
“crinoidea<br></br><img></img>”
“<b>what are tube feet<br></br></b><img></img><b><br></br></b>”
assist with digestion, locomotion and respiration<br></br>suction cup things
“<b>what is a bursa</b><br></br><img></img>”
” <div> <div> <div> <div style="">cilia-lined sacs for gas exchange and sometimes</div>brooding in Ophiuoida<ul> </ul> </div> </div> </div>”
“<b>which echinoderm has closed ambulacral grooves?<br></br></b><div> <div> <div> <div> <div><img></img><br></br></div> </div> </div> </div></div>”
Ophiuroidia
“<div> <div> <div> <div> <div><b>Holothuroidea have a stone canal, also called a</b><br></br></div> </div> </div> </div></div>”
“polian vesicle (tube leading to madreporite)<br></br><br></br><img></img>”
“<b>Holothurioidea have mucous covered tentacles, T or F?</b>”
true
“<b>Holothurioidea have webbed papillape for swimming,T or F?<br></br></b><img></img>”
true
“<b>which echinoderm class moves by trashing in a u motion?<br></br></b><img></img>”
“<b>Holothurioidea</b>”
“<b>which enchidoderm class breathes through anus and has a cloaca?<br></br></b><img></img>”
“Holothurioidea”
“<b>which echinoderm class is capable of mass spawning</b>”
“Holothurioidea”
“<b>what are cuverian tubes?</b><b><br></br></b>”
“sticky webbing entagles pedators<br></br><b><br></br></b><img></img>”
“<b>which echinoderm has spines attached to a ball and socket joint?<br></br></b><img></img><b><br></br></b>”
echinooidea
” <div> <div> <div><b> Ossicles fused to form a strong, rigid test in which class of echinoderms<br></br></b><img></img><br></br><ul> </ul> </div> </div> </div>”
echnoidea
“<div> <div> <div> <div> <div><b>which echinoderm moves by pulling along the substrate<br></br></b><img></img><b><br></br></b></div> </div> </div> </div></div>”
crinodidea
“<b>Asteroidea use ___ for movement while ophiuroidia use ___ to move</b>”
tube feet, arms
