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



What organism's body is a hollow tube? Sponge
Most sponges are __________ and __________ Asymmetrical and Sessile
What do sponges often have for protection and support? Spicules
What do the collars-cells have that help move water into and through the sponge? Flagellum
Most Cnidarian fossils are ______. Corals
Most Cnidarians live in _______ water. Salt
Most cnidarians have ______ body forms. Two
The polyp is _______ shaped and sessile. Vase
The medusa is ______ shaped and free swimming. Bell
What do most cnidarians have to help capture food? Stinging cells with tentacles
Cnidarians are ______. Predators
Worms are _____ with soft bodies, bilateral symmetry, and three tissue layers organized into organs and organ systems. Invertebrates
What are free-living flatworms that feed on small organisms or dead bodies of larger organisms. Planarians
Most flukes reproduce ______. Sexually
Flukes cause __________ a potentially fatal blood disease, in humans. Schistosomiasis
Flukes are _______ with a complex life cycle that requires more than one host. Parasites
Tapeworms live ______ of a host animal. Intestines
Tapeworms absorb food digested by the _______. Host
Flatworms have ________ symmetry. Bilateral
What are roundworms called? Nematodes
What are the two body openings in roundworms? Mouth and Anus
What do roundworms kil? Pests
Roundworms are essential in developing what? Healthy soil
Study how a tape worm eats DON'T FORGET!!!!!
Study the life cycle of a fluke (steps 1-5) DON'T FORGET!!!!!!
Study the Cnidarian life cycle DON'T FORGET!!!!!!
Study Study the sponge diagram DON'T FORGET!!!!!
Created by: cmitt