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
edit
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 24-3

QuestionAnswer
Producers organisms that use an outside energy source like the sun to make every rich molecules - green plants
Consumers organism can't make it's own energy rich molecules - gets energy by eating other organisms - lions and tigers
Decomposers organisms who break down once living matter - millipedes
Niche the role an organism has in it's environment - food, shelter, find its mate, care for young, avoids danger
Habitat the place in which an organism lives
Ecosystem all of the organisms that live in an area and the non-living features in their environment
Community all of the populations of all the species living in an area at the same time
Population all of the members of the one species that live in an area at one time - population of the USA
Biotic Potential the highest rate of reproduction under idea circumstances
Growth Limits when growth of a population is limited by resources individuals of that species compete for - shelter, food territory, and water
Competition examples of things organisms compete for - food, shelter, territory, and water
Limiting Factors anything that restricts the number of individuals in a population - same as growth limits plus predators and disease because this includes Growth Factors plus death factors
Carrying Capacity (remember the analogy with an elevator's capacity) - the largest number individuals of one species that an ecosystem can support over time
Predator and Prey one species eats member of another species for food. when a creature hunts for creature who belongs to another species and both creatures can move. when the food that is being eaten can't move (grass, mushrooms), it is merely another feeding relationship
Symbiotic Relationships "scorecard relationships" in which both members are alive
Commensalism a relationship in which the members of one species benefits and the other species is unaffected
Mutualism relationships in which member of both species benefit
Parasitism a relationship in which the member of one species benefits and the member of the other species is harmed
Neutralism no effect on either species
Created by: eheebe11
Popular 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