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.

Remove Ads
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




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

chaper 3-4

QuestionAnswer
cnidarian a radial invertebrate that uses stinging cells
mollusk a invertebrate with soft skin and unsegmented bodys
arthropod an invertebrate that has a external skeleton,and segmented body
exoskeleton external skeleton
echinoderm a radial invertebrate that has a internal skeleton and fluid systems
endoskeleton internal skeleton
chordate an animal that has a notochord
notochord a flexible rod that replaces the backbone
vertabra the bones used to make up a backbone
ectotherm a animal whose body heat is little to none so it depends on the envoirment
endotherm a animal whose body temperature is made by them selves but is effected by the envoirment
Created by: timmygabriel