Save
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
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

Ecology II

QuestionAnswer
What are the 2 types of energy? Kinetic, Potential
What is kinetic energy? energy in motion
What is potential energy? stored energy
What is photosynthesis? the chemical reaction where green plants use water, light from the sun, and carbon dioxide to make glucose and oxygen.
What are food chains? A food chain uses pictures or words and arrows to show the movement of energy in an ecosystem
What is a trophic level? A trophic level indicates the position that the organism occupies in the food chain
What do arrows do in a food chain? point TO the animal that is doing the eating!
What is a aquatic food chain? a food chain that is water-related with sea plants and animals
What is a a terrestrial food chain? a food chain that is land related with plants and animals
What is a food web? a group of interconnecting food chains
What do food webs describe? the complex patterns of energy flow in an ecosystem
What is a energy pyramid? A pyramid that shows the amount of energy that moves from one trophic level to another in a food chain
The most energy is available at the _______ level of the pyramid producer
The availability of energy _________ as it moves up the energy pyramid decreases
What are the levels of consumers in a energy pyramid in order from bottom to top? Primary, Secondary, Tertiary, Quaternary
What is the 10% rule? Only about 10% of energy is passed to the next level of pyramid
What happens to the remaining 90% ? (Referring to the 10% rule) It is lost as heat in the enviroment
What is a joule? A measurement of energy, think of calories
What is a dichotomous key? A method for determining the identity of something by going through a series of choice. In the end, you arrive at the correct name of the item
What does dichotomous mean? Divided in to two parts
Biomagnification Process where a substance increases in concentration as it moves through the food chain
Toxin A chemical pollutant
Created by: carolineconner
 

 



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