Starfish Parts This white disc on the aboral

Starfish Parts

This white disc on the aboral surface is the ________ Madreporite Its function is ____________ Let water into water vascular system

A=? ampulla A Its function is to Squeeze to control water ______________ entering/leaving tube feet

stomach This organ is the _______

LABEL THE PARTS of the Water Vascular system #1 = _____ ring canal _____ #2 #2 = Stone ______ dfsdf canal #3 = ampullae ________ #1 #3

A Digestive glands B gonads C ossicles

This diagram represents the 3 structures you learned about on the surface of a starfish. The blue structures are spines _______ protection for ___________. The red structures are ______ Skin gills for Exchanging __________ gases/removing nitrogen waste The green structure is a _______ pedicellaria for _____________ keeping the surface free of organisms

A mouth B Ambulacral groove with tube feet

These are located in the ambulacral groove Tube feet Their function is ? Locomotion, suction cups can grab food, pry open clam shells, surface can exchange gases and nitrogen waste

This opening on the oral surface is the _______ mouth This seastar is showing aboral you its ______ surface.

This tube is the _______ Stone canal It has Calcium ________ carbonate ________ in it to make it hard. madreporite It connects the ____________ to the __________ ring canal

A spines B Tube feet C ambulacral groove

The arrow is pointing at the Ambulacral ________ ridge ______ The part of the water vascular system that is found inside this ridge is the Radial canal ___________ The part of the nervous system that is Radial nerve found inside is the _________

These 3 arms farthest from the madreporite are called the ________ trivium

This starfish is showing you its oral _______ surface.

Identify A Ring canal A

Tell the function of each part: Opening for water vascular system ___________ madreporite Absorb nutrients ___________ Digestive glands Connect madreporite Stone canal to ring canal ___________ Plates that fuse to form ossicles skeleton ___________ Make sperm or eggs _________ gonads Exchange gases and get rid of nitrogen waste _________ Skin gills

These structures that lie under the digestive glands are the gonads ________ Their function is to __________ Make eggs or sperm Their body system is ________ reproductive

These are located at the tip of each arm eyespots Their function is To sense light and dark ___________

Tell the function of each part: Keep skin free of organisms ___________ pedicellariae Extruded out through stomach mouth during feeding Cardiac ________ Stomach that connects to digestive glands ___________ Pyloric stomach Squeeze to move water up and down in tube feet _________ ampullae spines Spikes on surface for protection _______

This white disc on the aboral surface is the ________ madreporite It belongs to the Water vascular __________ system Its function ________ Opening for water entering the WVS

This part of the stomach connects to the mouth cardiac

ID THE PARTS SHOWN A B E C D A = MADREPORITE _________ STONE CANAL B = _________ RING CANAL C = _________ RADIAL CANAL D = _________ F AMPULLAE E = __________ TUBE FEET F = __________

The digestive glands connect to the pyloric _________ stomach. cardiac The __________ stomach is extruded out of the mouth during feeding

This space around the organs is the ________ coelom Type of body cavity found in echinoderms Acoelom Pseudocoelom Eucoelom EUCOELOM

These 2 arms closest to the madreporite are called the ________ bivium

Identify B (seen as bubbles along ambulacral ridge) B ampulla Squeeze to move water Its function is __________ up and down in tube feet

#1 #2 #4 Stone canal #1 = ________ Ambulacral ridge #2 = ________ ampullae #3 = ________ Ring canal #4 = _________ #3

Pyloric stomach A= _____________ Cardiac stomach B=_____________ Digestive glands C= _____________ D=_____________ anus mouth E= _____________

These greenish brown structures are the ________ Digestive glands Tell their functions Make bile __________ Finish digestion __________ Absorb nutrients __________

These white structures on the surface are ________ spines They connect down below to the skeleton _______ underneath. Their function is ________ protection

Echinoderm larva with wings bipinnaria ________ Type of symmetry seen in the larval form bilateral __________ Type of symmetry seen in adult echinoderms ________ radial