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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
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

chapter 9 lesson 1

people and enviroment

mining can have a what time of impact on habitats when it pollutes soil and water negative
the human population is about 6.7 billion
earth has a limited amount of resources
the largest number of individuals of a given species that earths resources can support carrying capacity
when did the human population reach 1 billion people 1800
how long did it take the human population to double to 2 million people 50 years
when did human population begin to increase sharply 1900
what factors caused the human population to increase clean water, improved health care and technology
what might happen to resources if the population continues to rise there wont be enough resources and people will eventually start to die
describe the growth of the human population for most of human history linear growth/steady growth
how has human population changed over the past 2000 years huge jump in population
explain how the population of species X changed over time population has increased and decreased in a little amount of time
what is carrying capacity largest number of individuals of a given species that earths resources can maintain for a long time
what happened to species X when it reached its carrying capacity fluctuated
what likely happened to resource availability when species X exceeds its carrying capacity lowered
what will happen if Species X exceeds its carrying capacity again it will keep rising and falling without enough resources for everyone
what is population members of a species living in a given area
what is population explosion sudden rise in human population/ j shaped curve
about when did humans experience a population explosion 1800 to 1900
what reason might have lead to the population explosion clean water, technology, and improved health care
how many people live on earth today about 6.7 billion
does earth have enough resources to support the human population as of now but we cant pass the carrying capacity
less people are dying and more people have health insurance/increase of people improved health care
a natural source of supply or support resorce
carrying capacity, population, resources all are provided and supported by resources
Created by: johnsfai2159