Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available 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 associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
Know
remaining cards
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

Stack #31621

Mr. Olson 5th Grade Science Chapter 3D

QuestionAnswer
What species are in danger of becoming extinct called? endangered
What ecosystem occurs where the ocean meets the land? shoreland
The great abundance of different organisms is called what? biodiversity
Species that are gone forever are said to be what? extinct
Ecosystems that cover large areas of land are called what? biomes
What grows in areas where winters are cold and summers are wet and warm? decidous forest
What do we call an area where land and water meet? wetlands
What is a land biome where plants and animals live in layers of a forest called? tropical rain forest
What is a land biome where evergreens grow in areas where winters are long and cold called? taiga
What is a land biome where the ground is dry called? desert
What is a land biome where the subsoil is frozen year-around called? tundra
What is a saltwater ecosystem that forms the largest ecosystem on Earth called? open ocean
What is a freshwater ecosystem in which the concentration of oxygen in the water is less than that in a river called? wetland
What is a saltwater ecosystem wher organisms are affected by tides and waves called? shoreline
What is a freshwater ecosystem in which a large variety of habitats are contained in a large standing body of water called? lake
What percent of the earth's surface is covered with water? 97%
Created by: mr.olson