Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

`Bio 2

QuestionAnswer
Trophic Level Step in a food web or food chain.
Biomass Total amount of living tissue within a given trophic level.
Biogeochemical cycle Process in which elements chemical compounds, and other forms of matter are passed from one organism to another to form one part of the biosphere to another.
Limiting nutrients Single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem.
Weather Condtion of Earths atmosphere at a particular time and space.
Climate Average year after year condition of Temp. precipitation in a particular region.
Green House Effect Heat is retained in earths atmosphere by CO2,methane,water vapor, and other gases.
Biotic Factor Biological influence on organisms within an ecosystem.
Abiotic Factor Physical or non living factor that shapes an ecosystem.
Niche Full range of physical and biological conditions in which an organism lives.
Logistic Growth Growth patern in which a population's growth rate slows or stops.
Carrying capacity Largest number of individuals of a population.
Demography Scientific study of human population.
Demographic Transition Change in population in birth and growth rates to low birth and growth rates.
Green Revolution Development of highly productive crop strains.
Renewable Resources Can regeernate Quickly and that is replaceable.
Polluttant Harmful material that can enter the biosphere throuh the land,air and ground.
Biodiversity Biological diversity;the sum total of the variety of organisms in tha biosphere.
Biological Magnification Increasing concentration of a harmful substance in organisms in a higher trophic levels in a food chain or food web.
Created by: Tymaloney20
 

 



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