Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

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.
Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
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.18-1 18-3

QuestionAnswer
organism a single living thing
population a group of the same living thing.
community a group of different organisms in one given enviornment
ecosystem abiotic factocs and biotic factors + all community
biosphere the parts of earth where there is life. the biosphere includes 4 miles off earths surface and 6 miles into the lithosphere
niche role that an organism plays in an ecosystem.
symbiosis a close LONG TERM relationship shared by two or more organisms.
mutualism when BOTH organisms benefit
commensalism when ONE organism benifits and the other is not affected nor harmed.
parasitism one organism benifits and the other is harmed. organism that benifits is called a parasite
defensive chemicals animals that defend themselves with chemicals. (ex. bees wavps)
warning coloration the animals with chemical defense warn predators by turning bright colors
the three different groups of symbiosis mutualism,commensalism,parasitism
ecology an area of science that focuses on the study of the interaction between two or more organisms
Created by: __maryyyy_
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards