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
edit
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

Science Ecosystem

TermDefinition
Birth Rate The number of births in population in a certain amount of time.
Death Rate The number of deaths in a population In a certain amount of time.
Immigration Moving into a population.
Emigration Leaving a population.
Niche The role of the an organisms in its habitat, or how it makes his living.
Symbiosis A closes relationship between two species that benefits at least one of the species.
Commensalism A relationship between two species in which one spices benefits and the other is neither helped nor harmed.
Limiting Factor A environmental factor that causes a population to decrease
Carrying Capacity The largest population that can area can support.
Natural Selections A process by witch charitoriscs that make an idvuidal Bette suited to its environment become more common in a species.
Adaptations A behavior or physical characteristics that allows an organism to live successfully in its environment.
Competition The struggle between organisms to survive as they attempt to use the same limited resources.
Mutualism A relationship between two species enrich both species benefit.
Parasitism a relationship between one organism lives on or in the host and harms it.
Created by: logan.orlando
Popular Science 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