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


Ecosystem The living and nonliving components in an area.
Ecology The study of the interactions between living organisms and the nonliving components in an ecosystem.
Species A class of organisms that have similar characteristics.
Population The number of specific species/type of organisms living in an area.
Community The different populations/species living together in a specific area.
Biotic Factors Living, or once living, organisms in an ecosystem. For example, a tree and a lion.
Abiotic Factors Nonliving components of an ecosystem that are essential for life. For example, water and sunlight.
Producer A plant that can make its own energy/food using sunlight.
Consumer An organism that must eat either a producer or another consumer in order to obtain energy/food.
Decomposer Breaks down down dead organisms (plant and animals).
Food Chain Shows one simple path of how energy can flow through an ecosystem.
Food Web Shows multiple paths/relationships where energy flows through an ecosystem.
Limiting factor A factor that can control the population. For example, if there is not enough water the populations would decrease.
Energy Pyramid Diagram that shows how energy moves through an ecosystem.
Symbiotic Relationship A relationship between two organisms in which both benefit, one benefits while the other is not harmed, or one benefits while the other is harmed. For example, a tick on a dog.
Migrating Move from one region or habitat to another.
Organism An individual animal, plant, or single-celled life form.
Biodiversity The variety of life in the world or in a particular habitat or ecosystem.
Prey An animal that is hunted and killed by another for food.
Preditor An animal that naturally preys on others.
Parasite An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
Host An animal or plant on or in which a parasite or commensal organism lives.
Niche A habitat supplying the necessary factors for existence.
Herbivore An animal that feeds on plants.
Omnivore An animal or person that eats food of both plant and animal origin.
Carnivore An animal that feeds on flesh.
Mutualism Both species benefits
Commensalism One species benefits, one species is not harmed
Parasitism One species benefits, one species is harmed. (Cuckoo)
Created by: tgehres