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

Pop & Eco 5

Pop & Eco 5 (Energy Pyramids)

Energy Pyramid a diagram that shows the amount of energy that moves from one feeding level to another in a food web
Trophic Levels The levels of an energy pyramid through which energy flows from producers to primary consumers, secondary consumers and so on.
Autotroph An organism that makes its own food (a producer)
Omnivore organism that obtains energy by eating both plants and animals
Detrivore a scavenger, such as an earthworm, that feeds on dead plant and animal matter
Biomass organic matter that can be a source of energy in an ecosystem.
Photosynthesis process by which plants use the sun's energy to convert water and carbon dioxide into sugars
Reactants of Photosynthesis CO2 & H2O
Products of Photosynthesis C6H12O6 (glucose) & O2 (oxygen)
Calories Units of heat that measure the energy used by the body and the energy that foods supply to the body
Items that lack calories Water, sleep, vitamins, minerals
Items that have calories Fats, Carbohydrates, Proteins
Uses for food Energy, nutrients, building body tissue.
10% The amount of biomass energy that transfers up to the next trophic level in an ecosystem.
90% The amount of biomass energy lost beween trophic levels in an ecosystem.
Decomposers Organisms that break down wastes and dead organisms and return raw materials to the environment
Herbivores An organism that eats only plants.
Carnivores Organisms that eat other animals for energy
Detritus Dead organic matter or waste products
Heterotrophs organisms that cannot make their own food
Created by: KBadgley
Popular Science 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