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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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
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

Terms #1

5 needs of life for animals food, water, gases, shelter, and space.
needs of life for plants sunlight, gases, water, nutrients, and space
behavior The way an organism acts toward its environment to get the basic needs of life
innate behavior instincts
learned behavior things they learn to do or act a way
independent behavior does not affect others.
cooperation can help others
competitve The contest among organisms (in a population or in a community) to obtain the resources that they need to survive and reproduce
population size The number of organisms of one species that live together in one area at one time
population density The number of organisms of one species in a given area at
carrying capacity The largest number of individuals that an environment can support and maintain over time
limiting factor abiotic or biotic factor that restricts the number of individuals in a population
Created by: musicmads