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

principles of Ecolog

vocabulary

TermDefinition
Biosphere: portion of earth that supports life
Biotic factors living organisms
abiotic factors nonliving parts of environment
examples of biotic factors trees, fish, amoeba
examples of abiotic factors air, temperature, water,light
population number of organisms of same species in an area
biological community group of species that interact
Ecosystem species and the environment
Biome large region with a specific type of climate
Habitat where organisms live
Niche each organism's role or job
Symbiosis organisms that depend on each other for survival
Mutualism relationship in which both organisms benefit
Commensalism relationship in which one organism benefits and the other neither benefits nor is harmed
parasitism relationship in which one organisms benefits and the other is harmed but not killed
Autotroph organism that captures the sun'e energy and makes it's own food
heterotroph organism that gets energy by consuming other organizms
Herbivore eats plants
Carnivore eats meat
omnivore eats plants and animals
Trophic level each step in a food chain or web
Food chain simple model that shows one path of energy flow
Food Web complex model with many paths of energy flow
biomass total amount of organisms in an area
Ecology study of interactions between organisms and the environment
competition when 2 or more organixms occupy the same niche
resources that create competition mates, food, space, water
predator eats other organisms
prey eaten by other organisms
sun where all energy comes from in the beginning
decomposer breaks down dead organisms
pyramid of energy level of energy available - 90% lost each step in form of heat
pyramid of biomass biomass decreases at each level
pyramid of numbers population decreases each level
Created by: cboula
Popular Biology 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