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.

Remove ads
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




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

Ch 18

Interactions of Living things

TermDefinition
ecology the study of the interactions between organisms and their environment
biotic describes living factors in the environment
abiotic describes nonliving factors in the environment
population a group of individuals of the same species that live together in the same area at the same time
community all of the populations of different species that live and interact in an area
ecosystem a community of organisms and their nonliving environment
biosphere the part of the Earth where life exists
herbivore a consumer that eats plants
carnivore a consumer that eats animals
omnivore a consumer that eats a variety of organisms
scavenger an animal that feeds on the bodies of dead animals
food chain a diagram that represents the many energy pathways in a real ecosystem
food web a complex diagram representing the many energy pathways in a real ecosystem
energy pyramid a diagram shaped like a triangle shows the loss of energy at each level of the food chain
habitat the environment where an organism lives
niche an organism's way of life and its relationships with its abiotic and biotic environments
carrying capacity the largest population that a given environment can support over a long period of time
prey an organism that is eaten by another organism
predator an organism that eats other organisms
symbiosis a close, long-term association between two or more species
mutualism a symbiotic relationship in which both organisms benefit
commensalism a symbiotic relationship in which one organism benefits and the other is unaffected
parasitism a symbiotic association in which one organism benefits while the other organism is harmed
coevolution the long-term changes that take place in two species because of their close interactions with one another
Created by: swhite2015