Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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 email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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

Ecosystems exam

8th grade vocabulary

What does abiotic mean? nonliving
What is a biotic factor? a living thing
What is an ecosystem? Contains all of the living and nonliving components of an environment.
What is a population? Many of the same species of organisms that all live in an area.
What is a community? Populations of many species that live together in an area.
What is symbiosis? A close relationship between two different species of organisms.
What are the three different types of symbiosis? Mutualism, commensalism, and parasitism.
What is parasitism? A type of symbiosis where one species benefits and the other is harmed. Example: A pig with a tapeworm.
What is a host? The organism that the parasite invades in order to survive and reproduce.
What is mutualism? A relationship where both species of organism benefit. Example: Cows and birds.
What is commensalism? A relationship where one species benefits and the other is uneffected. Example: Barnacle and whale.
What is a producer? An organism that is able to produce its own food using energy from the sun. All plants are producers.
What is a consumer? An organism that is incapable of producing its own food, and must get nutrition by feeding on an outside source.
What is a carnivore? Eats only meat.
What is a herbivore? Eats only plants.
What is an omnivore? Eats plants and meats.
What is a scavenger? An organism that feeds on dead or decaying matter. Example: vulture.
What is a decomposer? Organisms that break down other dead organisms. Example: bacteria and fungi.
Created by: mbernander