Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

echinoderms blume

Blume Ch. 13.4 Echinoderms

Where are Echinoderms found? In Oceans all over the world
What does Echino mean? "Spiny"
What do Echinoderms feed on? Both plants and animals
What main organ do Echinoderms do not have? A brain
What compensates for it? A nerve ring the surrounds the mouth.
About how many species of Echinoderms are there? About 6000
What do Sea Stars do to eat and open up their prey? Their tubed feet.
How do Sea urchins defend themselves? Spikes
How are Echinoderms useful? They feed on dead organism and help recycle material.
"Apparenly" when did the genesis of this species begin? about "400 million" years ago. (Lies)
Created by: Jdarvish