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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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

Objective #2

QuestionAnswerQuestionAnswerQuestion Answer
population all of the same organisms in an area Respiration the exchange of oxygen and carbon dioxide between living cells and their environment Primary Succesion when organisms inhabit an area without life or soil
community all of the populations in an area Energy Pyramid a triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain Secondary Succesion takes place after an existing community suffers a major disruption
Biosphere the part of Earth where life exists Mutualism a relationship between two species in which both species benefit
Food Chain energy transfer through various stages as a result of the feeding patterns of a series of organisms Decomposition the breakdown of substances into simpler molecular substances
Nitrogen Fixation when nitrogen is "fixed" in order to be used Combustion the burning of a substance
Food Web a diagram that shows the feeding relationships between organisms in an ecosystem Photosynthesis the process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to make food
Ecology the study of the interactions of living organisms with one another and with their environment Carrying Capacity the largest population that an environment can support
Biotic living factors in the environment Symbiosis a relationship in which two different organisms live in close association with each other
Abiotic nonliving part of the environment, including water, rocks, light, and temperature Commensialism a relationship between two organisms in which one organism benefits and the other is unaffected
Ecosystem community of organisms and their abiotic environment Parasitism a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed
Created by: nnewlon3