Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Your email address is only used to allow you to reset your password. See 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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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


Classification Vocab

What does unicellular mean? An organism made of only one cell.
What does multicellular mean? An organism with more than one cell.
What does heterotroph mean? An organism must feed on other organisms as a source of energy.
What does autotroph mean? An organism produces it's own energy or food.
What does prokaryotic mean? An organism that lacks a nucleus and membrane bound organelles.
What does eukaryotic mean? An organism that has a nucleus and membrane bound organelles.
Cell Wall A rigid structure that surrounds the cell membrane and provides support to the cell
Cell Membrane A layer that covers a cell’s surface and acts as a barrier between the inside of the cell and its environment
Sexual Reproduction Reproduction where the sex cells from two parents unite to produce offspring that shares characteristics with both
Asexual Reproduction Reproduction that does not involve two sex cells and where the parent produces an offspring identical to it
Taxonomy The science of describing, naming, and classifying organisms
Classification The division of organisms into groups, or classes, based on specific characteristics
Dichotomous Key An aid that is used to identify organisms and uses the answers to a series of questions
Binomial Nomenclature The scientific name of an organisms, composed of an organism’s Genus and Species.
Kingdom Classification group that includes large groups of organisms with similar characteristics
Phylum Defines a more specific group of organisms than a Kingdom
Class Defines a more specific group of organisms than a Phylum
Order Defines a more specific group of organisms than Class
Family Defines a more specific group of organisms than a Order
Genus Defines a more specific group of organisms than a Family
Species Defines a more specific group of organisms than a Genus
Created by: shawd
Popular Biology sets




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:
restart all cards