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.
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
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
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

Science Chapter 5

QuestionAnswer
a species that no longer exists extinct
a scientist who studies fossils paleontologist
all the living and nonliving things in an environment ecosystem
the remains or marks of an animal/plant that lived long ago fossil
the area or place where an animal lives habitat
ecosystems of North America tundra, grassland, desert, wetlands, rainforest
Name the steps in which a fossil is formed. 1. animal dies, sinks to the bottom of a lake.the soft part decays. 2. Sand, mud and other sediments settle on top of the animal. 3. More layers of sediments form. sediment hardens into rock. 4. Rock layers wear away and the fossil is revealed
a resource that can be replaced renewable resource
a resource that cannot be replaced nonrenewable resource
two or more living things need the same resources in order to survive competition
all the members of one species that live within an ecosystem population
tells us how plants and animals have changed over time fossils
a fossil such as a footprint or nest that shows how an animal lived trace fossil
supplies found in nature natural resources
How do humans cause changes in an environment. They clear trees, which include animals homes, to build houses. They pollute the environment in which animals live.
Created by: msholmangrade4