Echinderm Unit Flashcards
Echinoderm
Any Radiating engagement of parts of the body wall stiffened by calcareous pieces that may protrude as spines
Endoskeleton
This is an internal framework of the body that is like a skeleton.
Pedicellariae
These are little pincers that capture and find tiny prey.
Madreporite
A sevie plate that allows water to pass through the system, or body.
Radial Symmerty
The creature is equal on both sides of its body.
Radial Canal
no idea
Ring Canal
This is a system that allows the star fish to breath
Arm/Ray
This has all the movement of the body and are its appengaes
Bilateral Symmerty
This is a symmetry that you are the exact same on both sides of your body
Water Vascular System
A system of closed fluid-filled tubes that help the creature in it’s basic function.
Ambulacral Groove
This allows the star fish to grab food.
Ossicels
no idea okay
Pyloric Ceacum
i dont care
Pyloric Stomach
stomach 1
Cardiac Stomach
stomach 2
Ampullae
no idea
Gonads
These are sex glands
Centeral Disc
something that holds the things
Tube Feet
These are used for grasping, and locomotion.
Exterinal Fertilazion
This is when the star fish release the sperm and it’s eggs to eggs from the other, than they procreate
Regeneration
The restoration or regrowth of new, or old organs. This is like limbs or such things.
Sea Star
Another name for a starfish
Brittle Star
A very small starfish, that is very fragile.
Sea Urchin
A spiky creature that is made of many plates. They also grow projecting spines.
Sand Dollar
The favroite food of star fish, and we really only ever see their skeletons which we call sand dollars
Sea Lilies
A stalked, sessile Crinoid
Feather Stars
A free swimming Crinoid
Sea Cucumbers
A creature with a long leathery body, that looks like a cucumber
Sea Daisies
A creature that looks really cool mistaken for plants
