Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
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
remaining cards
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:
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

Ecosystem Unit

These will help you to study for the unit test on ecology

What is the definition of an ecosystem? The interaction between living organisms and their physical environment
Which statement best describes an important difference between plants and animals? Plants use carbon dioxide from the air and water to make their own food while animals get food by eating other organisms.
What materials are needed for photosynthesis? Sunlight, water, and carbon dioxide
What is a producer? An organism that can create its own food
Where does an ecosystem get most of its energy From the sun
What is the best way to display how a population can change over time? Line Graph
What happens to a population once it reaches its carrying capacity? The population stops growing and stays relatively balanced
If a population has not reached its carrying capacity, what is likely to happen to the size of that population? It will continue to grow
What is a population? A group of a specific species living in a certain area.
What is a trade-off A negative consequence of an action.
Why do invasive species usually survive in their new ecosystems? They rarely have predators in that new area.
What products are created as a result of cellular respiration? Energy, Heat, Carbon Dioxide, and Water
What are characteristics of living things Is made of cells, reproduces, grows, uses energy, creates waste and can move
Where does cellular respiration occur within the cell? Mitochondria
Created by: tvaranyak