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.
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

LS Investigation 2

nutrient a substance (like sugar or starch) that is used by a cell to produce the energy needed
yeast a single celled fungus
carbon dioxide a waste gas produced by active cells
metabolism the process of using nutrients for energy and producing waste
fungus an organism that is a relative to yeast - mushrooms, mildew
cell the basic unit of life
dormancy inactive or resting state
chlorophyll the green pigment that absorbs light and makes sugar in producers
photosynthesis the process of requiring sunlight, carbon dioxide, and water plants use to make sugar
digestion the process used to break down food into nutrients for cells
digestive system the organs that digest food
esophagus the tube connecting the mouth and the stomach
small intestine the part of the digestive system where nutrients are absorbed from digested food
large intestine the part of the digestive system b]where water is removed from the solid waste
colon the part of the digestive system that compacts and dehydrates food waste
kidney filters cellular waste from the blood and turns it into urine
sugar the nutrient cells use for energy
food pyramid describes levels in a feeding relationship categorizing primary, secondary, and top consumers
heterotroph consumes plants and other animals
autotroph produce their own food
food anything that can be eaten to provide energy
starch substance has stored energy for plant seeds
Created by: Nan Dickerson



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