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.
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
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

lesson 1 and 2

science

QuestionAnswer
what is homeostatis keeping internal body conditions stable
what are adaptaions structures and behaviors that allow animals to preform their functions
what are vertebrates animals with a backbone
what are invertebrates animal without a backbone
what is a tissue a group of similar cells that preforms a specific function
what is an organ made up of different tissues
what is radical symmetry if many imaginary lines can be drawn through a central point to divide it into two mirror images
what is bilateral symmetry if only one line of symmetry can be drawn to divide it into halves that are mirror images
what are cnidarians Invertebrates that have stinging cells
what are mollusks invertebrates with soft, unsegmented bodies that are often protected by a hard shell
what are arthropods invertebrates that have hard outer coverings, segmented bodies and pairs of jointed appendages
what is the exoskeleton the outer covering
what is an echinoderm an invertebrate that has an internal skeleton and a system of fluid filled tubes
what is an endoskeleton an internal skeleton
Created by: PaigeHeppard