Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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-cells

QuestionAnswer
active transport the movement of substances across a cell membrane, requires the cell to use energy--less>more
passive transport movement without energy
diffusion movement from--higher density>lower density (no energy)
osmosis the diffusion of water (no energy) less<more or more>less
exocytosis removing waste 1) waste goes outside of cell 2) cell opens 3) waste pushes out
endocytosis cell eating 1) comes into contact with nutrients 2) cell membrane will form mouth 3) engulf nutrients
photosynthesis the process which nutrients make their own food producers-plants and algae
cr must have oxygen--consumers-create energy from food
fermination without oxygen--creates less energy than c.r. product-lactic acid
feedback mechanism a cycle of events in which 1 step controls its previous step
nervous system brain and spinal cord
dendrite recieves the messages
hypothalamus causes sweating and shivering--nervous system
protist an organism that belongs to the kingdom protista
scavengers decomposer
parasite invader
host invadee
Created by: kids2012
Popular Physical Science sets

 



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