Test Android StudyStack App
Please help StudyStack get a grant! Vote here.
or...
Reset Password Free Sign Up

Free flashcards for serious fun studying. Create your own or use sets shared by other students and teachers.


incorrect cards (0)
correct cards (0)
remaining cards (0)
Save
0:01
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 Correct box, the DOWN ARROW key to move the card to the Incorrect 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!

Correct box contains:
Time elapsed:
Retries:
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

DSST Env.Sci. Chp 13

vocab. for DSST Env.Sci. from Environmental Science by Karen Arms

QuestionAnswer
age-structure histogram illustration that depicts in comparative ways the age and sex of a population
agricultural revolution change from a hunting and gathering society to an agricultural society that began about 10,000 years ago
biotic potential rate at which a population would grow if every new individual survived to adulthood and reproduced at maximum capacity; the characteristic maximum growth rate for a population
carrying capacity the maximum number of individuals an environment can support for a long period of time
demographer one who is involved with the statistical science dealing with the distribution, density, and vital statistics of human populations
demographic transition theory that states that the economic and social progress of the industrial revolution affects a population in three stages
emigration act of organisms leaving one area to locate in another
environmental refugees people driven from their homes by severe environmental damage
environmental resistance the combined effect of all the factors that limit population growth
family planning practice of people who take measures to ensure that they will have the size of family they want
hunter-gatherers people who obtain their food by hunting, fishing, and gathering wild plant foods
immigration act of organisms moving into one area from another
J-curve curved line showing exponential growth
limiting resources those resources that limit the growth of a certain population
overpopulation condition in which an area cannot support its human population with its available resources, or in which the population, because of growth, suffers problems that affect its general welfare
S-curve curved line that shows a population reaching its carrying capacity and then falling below it
Created by: pinetreeacademy on 2012-05-03



bad sites Copyright ©2001-2014  StudyStack LLC   All rights reserved.