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.
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
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

Science Unit11 Vocab

Spencer Unit11 Vocb

cell The smallest unit of all living organisms.
unicellular organism made up of only one cell
organism any self-contained living thing
multicellular organism made up of more than one cell
prokaryotic cell a cell lacking a nucleus or any other membrane-enclosed organelle
eukaryotic cell a cell with a nucleus and membrane-bound organelles
autotrophic a organism which makes its own food (example: plants)
heterotrophic a organism which has to find food (example: us)
organelle membrane-bound structure inside a cell that performs a specialized function
nucleus membrane-bound structure in eukaryotic cells that contains the DNA
cell theory states that the cell is the basic unit of life, all living organisms are composed of cells, and all cells come from pre-existing cells
cell membrane protective layer that surrounds a cell or an organelle
DNA (deoxyribonucleic acid) contains information that forms the hereditary material of all cells
domain broadest taxonomic classification of organism
kingdom second broadest taxonomic classification of organisms
autotroph organisms that make their own food: ex. Producers
heterotrophic organisms that do not make their food: ex. Consumers (carnivores, herbivores, omnivores)
asexual reproduction mode of reproduction with only one parent
sexual reproduction mode of reproduction with two parents
Created by: bspencer61