Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


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.
Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
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

7th_Grade_Science

Interactions of life, communities, A/biotic factors, the nonliving environment

QuestionAnswer
Includes the top portion of Earth's crust, all the waters that cover Earth's surface, and the surrounding environment Biosphere
Consists of all the communities that live in an aresa and the nonliving features of their environment Ecosystem
Consists of all populations that live in an area Community
Consists of all organisms of the same species that live in the same area Population
Use outside energy source to make energy-rich compounds Producers
How an organism survives, including its habitat, how it obtains food/shelter, and how it avoids danger Niche
Symbiotic relationship in which 1 organism benefits and the other is unaffected Commensalism
Anything that restricts the number of individuals in a population Limiting Factor
The largest number of individuals of 1 species that an ecosystem can support over time Carrying Capacity
Location of Earth relative to the Equator Latitude
Depends on sunlight and altitude Temperature
Two methods that producers use to make energy (Use 'and' in between. Sunlight used goes first) Photosynthesis and Chemosynthesis
Abiotic Factors (SL, W, S, A, C, T) Sunlight, Water, Soil, Air, Climate, Temperature
Model of possible feeding/energy transfer Food Web
Shows comparative amount of energy available at each feeding level in an ecosystem Energy Pyramid
Nitrogen Fixation is performed by ______ Bacteria
Gas from the atmosphere is changed into usable compounds by lightning or by bacteria, decomposing organic matter and animal waste release those compounds into the soil Nitrogen Cycle
Created by: 100001181304151
Popular Earth Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards