• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/11

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

11 Cards in this Set

  • Front
  • Back
biosphere
the layer around the Earth in which life occurs naturally
developed countries
highly industrialized countries with high incomes and high standards of living
developing countries
less industrialized countries in which the average income and standard of living are low
ecology
study of how living things interact with each other and with their nonliving environments
environment
the surroundings of an organism that affect its life and development
environmental science
study of how humans interact with the environment
experiment
activity designed to test a hypothesis under controlled conditions
natural resource
any natural substance that humans use, such as sunlight, soil, water, plants, and animals
population crisis
situation in which the number of people grows so quickly that a region cannot support them
pure science
study and activity that seek answers to questions about how the world works
sustainable world
world in which human populations can continue to exist indefinitely with a high standard of living and health