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 Vocab

TermDefinition
Ecology The study of interactions among living things and their surroundings.
Organism A living thing
Population A group of organisms of the same species that live in the same area at the same time
Community A group of different populations (different species) that live in the same area at the same time
Ecosystem The collection of organisms and nonliving things (like rocks, soil) found in an area
Ecology The study of interactions between biotic and abiotic factors in an ecosystem.
Biotic Factor A living thing in an ecosystem Ex) Plants, Animals, Bacteria
Abiotic Factor A nonliving thing in an ecosystem. Ex) Water, Rocks, Soil
Biodiversity The variety of living things found in an area
Producer An organism that obtains its energy from the sun and converts this energy during the process of photosynthesis
Consumer An organisms that obtains its energy and nutrients by eating other organisms
Autotroph An organism that can use photosynthesis to make its own food. "Self Feeding"
Heterotroph An organism that cannot use photosynthesis to make its own food and must eat other organisms to survive. "Other Feeding"
Food Chain A sequence of organisms that shows how energy is transferred from plants, to producers to consumers
Food Web A combination of several food chains in an ecosystem
Herbivore A heterotroph that eats plants only
Carnivore A heterotroph that eats other animals only
Omnivore A heterotroph that eats both plants and other animals
Detrivore Organism that eats dead organic matter. AKA Decomposer
Decomposer A detrivore that breaks down organic matter into simper compounds, returning nutrients back into the ecosystem.
Trophic Level The position a species occupies in a food chain Ex) Producer, primary consumer, secondary consumer
Energy Pyramid A graphic representation of the amount of biomass or energy present in each trophic level of a food chain. Producers are always on the bottom.
10% Rule Only 10% of available energy transfers from one trophic level to another. The other 90% is lost as heat.
Microorganisms Living things that can only be seen with a microscope. They may function as decomposers in the food chain Ex) Bacteria
Biomass Pyramid Measures the total mass (weight) of organisms at each trophic level
Pyramid of Numbers Shows the total number of organisms at each trophic level
Habitat WHERE an organism lives
Niche HOW an organism lives in its environment
Apex Predator The predator at the top of a food chain, on which no other predators prey
Immigration Organisms moving IN to a population, increases population size
Emigration Organisms moving OUT of a population, decreases population size
Predation A relationship between two species where one species hunts (predator) the other species (prey)
Competition A relationship between two species where they both require the same resource (Food Water Shelter Space) and must compete for it
Habitat Requirement Something necessary to make a good place to live: Food, Water, Shelter, and Space
Carrying Capacity The maximum amount of organisms that can survive in an ecosytem
Logistic Growth Population growth that slows down before getting to carrying capacity
Exponential Growth Population growth that occurs quickly without slowing down
Density Dependent Factors Limiting factors in an ecosystem that have bigger effects when the population is bigger (Ex: Disease, competition)
Density Independent Factors Limiting factors in an ecosystem that do not change with the size of the population (Ex: hurricanes, earthquakes, humans building a city)
Created by: MsClaytonRUHS
 

 



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