Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

Animal Phyla

TermDefinition
Phylum Porifera (Sponges) Cellular level of organization Usuallly sensile(non moving) Feeders Spicules- elongated, rigid structures for body support choanocytes-line inner cavity of sponges Sexual/asexual
Phylum Cnideria (Hydria/Jellyfish) Radial symmetry or biradial Tissue level of organization Gastrovascular cavity - digestsion/circulation Nerve net - Allows for sensation Cnidocytes - Cells that contain whip like structures
Phylum Platyhelminthes (flukes/Tapeworms) Acelomate - no coelom Sac body plan - only one opening Bilateral symmetry
Phylum Annelidia (earthworms/marine worms/leaches) Homonomous Segmentation unjointed seatae bilateral symmetry hydroskeleton (pressured water body support)
Phylum Mollusca (snails/slugs/clams/oysters/octopuses/squid) Soft Body Hard, Calcium carbonate shell possesssed by many Bilateral symmetry
Phylum Nematoda (roundworms) - no segments Bilateral Symmetry Psuedocoelomate - body cavity not completely lined on inside Most have complete digestive tract
Phylum Arthropoda (insects/spiders/crustaceans/centipedes/milipedes) Jointed appendages Segmented body Bilateral symmetry
Created by: eriksherf
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

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