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.
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


biosphere the sum f all living matter on earth
environment all of the living and nonliving factors in an area
niche The function or position of an organism or a population within an ecological community.
Species A group of organisms with similar characteristics that are able to interbreed or exchange genetic material.
population A group of interacting individuals of the same species located in the same area.
Community All of the populations of different species in a particular area
Abiotic Factors Factors that are neither living nor produced by living things.
biotic factors Factors that are living or produced by living things.
Competition More than one individual or population in an ecosystem relies upon the same limited resources.
Ecosystem A system comprising all the biotic and abiotic factors in an area and all the interactions among them.
Biome One of the world’s major communities, classified according to the predominant vegetation and characterized by adaptation of organisms to that particular environment.
Habitat A place where an organism naturally lives and grows.
Microhabitat A very small specialized habitat, such as the space under a rock.
Biodiversity The number of different species of plants and animals in an area.
Succession A series of changes in the species composition of a community over time.
Climax Community A relatively stable state of succession, or the end product of succession.
Sustainable Capable of maintaining the current community at a steady level without exhausting natural resources or causing severe ecological damage.
Runoff Rainfall and surface water that drains or flows from the land into streams, rivers, lakes, or the ocean.
Artificial Reefs A man-made, underwater structure that promotes the growth of reef-dwelling aquatic organisms.
Invasive Species A species that enters an area from somewhere else and disrupts the native ecosystem.
Long-Term Environmental Change Environmental change that occurs slowly over time and affects organisms over generations.
Short-Term Environmental Change An environmental change that happens quickly but does not last a long time.
Extinct The permanent disappearance of a species from the Earth.
Adaptation A process by which a population becomes better suited to its environment by increasing the frequencies of alleles that provide benefits to survival and reproduction.
Pollution Harmful substances that contaminate a natural environment.
Climate Average weather conditions for a region year after year.
Created by: Doerre0911