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

Chapter 21

Tohru Adachi Tohru Adachi Tohru Adachi Tohru Adachi.

TermDefinition
Biosphere The parts of the Earth and the surrounding atmosphere where there's life.
Community Population of different species that all live together.
Population All the organisms of the same species that live in the same space at the same time.
Competition The demand for resources such as water, food, and shelter.
Limiting Factor Anything that restricts the size of a population.
Population Density The size of a population compared to the amount of space available.
Biotic Potentional The potential growth of a population if it could grow with perfect conditions with no limiting factors.
Carrying Capacity The largest number of individuals of one species that an environment can support.
Birth Rate The number of offspring produced over a time period.
Death Rate The number of people that die over the same time period as the birth rate.
Extinct Species A species that has completely died out and there is nobody left.
Endangered Species A species whose population is at a severe risk to be extinct.
Threatened Species A species whose population is at risk to be endangered but not quite yet.
Migration The instinctive seasonal movement of a population of organisms to one place to another.
Habitat The place where an organism lives.
Niche What an organism does in it's ecosystem to survive.
Producers Organisms who produce their own food.
Consumers Organisms who get energy by consuming other organisms.
Symbiosis The long-term exchange of energy between two organisms.
Mutualism A relationship where two organisms benefit
Commensalism A relationship where one organism benefits but the other is not benefiting nor being affected.
Parasitism A relationship where one organism benefits but the other is harmed.
Created by: goroakechi
Popular Life 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