name the structure
DESCRIPTION
NAME THE STRUCTURE. MOUTH. IS THIS THE ORAL OR ABORAL SURFACE OF THE SEA STAR?. ORAL. NAME THE SPINY STRUCTURES. ORAL SPINES. WHAT IS THEIR FUNCTION. FOOD PROCUREMENT. NAME THE STRUCTURE. AMBULACRAL GROOVE. WHAT IS IN THE AMBULACRAL GROOVES?. TUBE FEET. WHAT IS THEIR FUNCTION?. - PowerPoint PPT PresentationTRANSCRIPT
NAME THE STRUCTURE
MOUTH
IS THIS THE ORAL OR ABORAL SURFACE OF THE
SEA STAR?
ORAL
NAME THE SPINY STRUCTURES
ORAL SPINES
WHAT IS THEIR FUNCTION
FOOD PROCUREMENT
NAME THE STRUCTURE
AMBULACRAL GROOVE
WHAT IS IN THE AMBULACRAL GROOVES?
TUBE FEET
WHAT IS THEIR FUNCTION?
LOCOMOTION AND HOLDING ON TO PREY
HOW DO THE TUBE FEET WORK?
LIKE SUCTION CUPS
WHAT CONTROLS THE TUBE FEET?
THE WATER VASCULAR SYSTEM THAT MOVES WATER
INTO OR OUT OF THE TUBE FEET
NAME THE SPINY STRUCTURES
SPINES
NAME THESE STRUCTURES
ARMS OR RAYS
NAME THE PHYLUM
PHYLUM ECHINODERMATA
NAME CHARACTERISTICS OF PHYLUM ECHINODERMATA
CALCIUM-BASED ENDOSKELETON FORMED OF INDIVIDUAL UNITS CALLED OSSICLES
RADIAL SYMMETRY IN ADULT
PENTAMOROUS
SPINY-SKINNED
USUALLY TUBE FEET AND
PEDICELLARIAE
DEUTEROSTOME
HOW IS THE SEA STAR’S DIGESTIVE SYSTEM UNIQUE?
TWO-PART STOMACH: EXTRACELLULAR DIGESTION