Busy. Please wait.
or

Forgot Password?

Don't have an account?  Sign up 
or

taken
show password

why

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.


Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (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 "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:
Retries:
restart all cards




share
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

HEI - Unit 2

Prepare for Unit 2 test by using this studystack

TermDefinition
Ecosystem An area where plants and animals depend on one another for survival
Biome a large group of similar ecosystems.
Coniferous Forest Biome Taiga forest
wetlands biome swamps, bogs and marshlands
coral reef Biome occurs in warm water in the ocean
tundra biome a cold frozen land
deforestation cutting down and burning of forests?
tectonic movement causes volcanoes and earthquakes?
forests help replace oxygen in the atmosphere forests help replace oxygen in the atmosphere
conservation using resources carefully to avoid waste
irrigation collecting water and distributing it to crops
natural forces Earthquakes, erosion, volcanoes are examples of what?
hurricanes storms that start in the Atlantic or eastern Pacific Ocean
typhoons storms that start in the western Pacific Ocean
cyclones storms that start in the Indian Ocean
erosion movement of rock by wind, water and ice
biodiversity the many different kinds of life on Earth
Chlorofluorocarbon human-made chemical in particular destroys the ozone laye
Oxygen Scientist are concerned about the high rate of deforestation because they provide _____________________
Mantle Layer of hot, dense rock surrounding the Earth's core
crust part of the earth that includes the continents
magma Melted rock that is called lava when it comes from a volcano
plate tectonics Explains how the continents move
Katrina Name of the costliest natural disaster in the history of the United States
Deciduous Forest A temperate forest where the leafs fall off during parts of the year
Created by: 1235877691