Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
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 associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
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

Carter Mittens Ch 12

Blume Ch. 12.2

Sponges probably _____ separately from all other animals. Evolved
What is a sponges body? Hollow tube
What do sponges often have? Spicules, or Spongin
What do sponges use to get food? Pores
What are sponges? Hermaphrodites
Are Cnidarians vertebrates or invertebrates? Invertebrates
What type or water do Cnidarians live in? Salt Water
Most Cnidarians have two what? Body forms
What shape is a polyp? Vase shape
What shape is a medusa? Bell-shaped
How many body openings does a Cnidarian have? One
What does a digestive cavity do? Break down food
What does a nerve net do? Carries impulses and connects all organism parts
Most Cnidarians have ______ with stinging cells to help capture food Tentacles
What are Cnidarians? Predators
Cnidarians can _______ sexually and asexually Reproduce
What are most Cnidarians fossiles? Corals
How do coral reefs form? Corals secrete their hard external skeletons on those of earlier generations
Coral reefs are _____ ecosystems. Diverse
Shells, pearls, and chemicals for human medical uses are all _______ that coral reefs provide. Resources
Created by: cmittens