Busy. Please wait.
Log in with Clever

show password
Forgot Password?

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

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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

9th Env Sci 8.1 and

9th Env Sci Chapters 8.1 and 8.2 TEST

number of individuals Which of the following is one of the main properties used to describe a population?
For a population's growth rate to be zero the average number of births and deaths must be the same
Exponential growth occurs when a population grows increasingly faster
Which of the following limits a population's biotic potential? a maximum number of offspring each individual can produce
which of the following limits a populations growth? all of the above
number of individuals per unit area density
example of indirect competition for resources territory
relative distribution of individuals dispersion
water, sunlight, or nutrients for plants limiting resource
deaths caused by disease density dependent
Which of the following statements is correct? an organism's habitat is a location
Which of the following is part of an American bison's niche? all of the above
When two species in an area eat the same type of food but eat at different times of the day, their niches overlap
If exponential growth occurs in the population of a species of predator, the population of its prey will most likely decrease quickly
If two species coevolve, they may develop adaptations that Both A & B
Species A benefits and species B is killed predation
Species A and B negatively affect each other competition
species A and B both benefit mutualism
species A benefits and species B is unaffected commensalism
species A benefits and species B is harmed but not killed parasitism
Created by: asimien907
Popular Science sets




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:
restart all cards