Save
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

Ch. 22 & 23 Ecology

Chapter 22 & 23 Ecology Quiz

TermDefinition
Population density Number of organisms in a given area. (NJ is a very densely populated area)
Direct Observation A type of population determination where every organism is counted. Best for organisms that don’t move like plants
Indirect Observation A type of population determination where an estimate of the number of individuals is made based on looking at nest, burrows, tracks, droppings etc
Sampling A type of population determination where one counts the number of organisms in a small area (sample) and then multiplying to find the number in a larger area.
Mark and Recapture A type of population determination where animals are captured, tagged, and then returned to their environment. Over time, more animals are trapped and are checked for tags, and a mathematical formula is then used to estimate population size.
Immigration Populations moving INTO an area
Emigration Populations EXITING and area
Reproductive Potential The theoretical unlimited growth of a population over time (if conditions are right)
Limiting Factors any biotic or abiotic factor that acts in some way to limit the number of individuals that survive and reproduce in a population
Carrying Capacity The maximum number of individuals an environment can support
Created by: barbzabel7
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