7TH GRADE SCIENCE

STARFISH DISSECTION PRE-LAB

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PRELAB STARFISH

EXTERNAL ANATOMY

Aboral Surface


Arms


Central Disc


Sieve Plate


Tube Feet


Skin Gills (Dermal Branchiae)


Pedicellariae


Ambulacral Groove


Ambulacral Spines


Mouth


Oral Surface


Water Vascular System


INTERNAL ANATOMY

Intestine


Digestive Glands


Gonads


Cardiac Stomach


Rectal Pouches


Pyloric Stomach


Stone Canal


Ampulla


Radial Canal


Sieve Plate


Ring Canal


 

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metamorphic rocks click here

virtual fossil lab

click to see clam pictures