Save
Upgrade to remove ads
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

Ecology

TermDefinition
Autotroph Organism that makes own food.
Heterotroph Organism eating other living things.
Organism An individual living thing.
Habitat Environment where an organism lives.
Biotic factor Living part of an ecosystem.
Abiotic factor Nonliving part of an ecosystem.
Species Group that can breed together.
Population Same species in one area.
Community Different populations living together.
Ecosystem Biotic and abiotic factors interacting.
Ecology Study of organisms and environment.
Immigration Moving into a new population.
Emigration Leaving one's home population.
Population density Number of individuals per area.
Limiting factor Resource that restricts population growth.
Carrying capacity Maximum population environment can sustain.
Natural selection Survival of the best adapted.
Adaptation Trait helping an organism survive.
Niche An organism's role or job.
Competition Struggle for the same resources.
Predation One organism eats another organism.
Mutualism Relationship where both species benefit.
Commensalism One benefits, other unaffected.
Parasitism One benefits, other is harmed.
Parasite Organism living on a host.
Host Organism providing for a parasite.
Succession Predictable changes in a community.
Primary succession Changes starting on bare rock.
Pioneer species First species to inhabit area.
Secondary succession Changes following a minor disturbance.
Producer Organism making its own energy.
Consumer Organism that eats other organisms.
Herbivore Animal that eats only plants.
Carnivore Animal that eats other animals.
Omnivore Animal eating plants and animals.
Scavenger Organism eating already dead animals.
Decomposer Organism breaking down dead matter.
Food chain Single path of energy flow.
Food web Interconnected paths of energy flow.
Energy pyramid Diagram showing energy at levels.
Nitrogen fixation Converting nitrogen into usable forms.
Biome Region with similar climate, life.
Climate Long-term patterns of regional weather.
Desert Arid region with sparse life.
Rain forest Warm, wet, high-diversity forest.
Emergent layer Tallest trees above the canopy.
Canopy Dense leafy covering of forest.
Understory Shaded area below forest canopy.
Grassland Area dominated by grass species.
Savanna Grassland with scattered individual trees
Deciduous tree Tree that loses leaves annually.
Boreal forest Cold forest with coniferous trees.
Coniferous tree Tree producing seeds in cones.
Tundra Cold, treeless, frozen-ground biome.
Permafrost Layer of permanently frozen soil.
Estuary Mixed fresh and salt water.
Intertidal zone Area between high, low tides.
Neritic zone Shallow ocean over continental shelf.
Biogeograpy Study of species' geographic distribution.
Continental drift Movement of Earth's land masses.
Dispersal Movement of organisms away from home.
Exotic species Non-native species in an ecosystem.
Point source Identifiable single source of pollution.
Nonpoint source Pollution from many diffuse sources.
Biodegradable Capable of being broken down.
Natural resource Materials found in the environment.
Soil conservation Prevention of soil nutrient loss.
Crop rotation Planting different crops each season.
Contour plowing Plowing across a slope's curve.
Conservation plowing Plowing that leaves old stalks.
Biodiversity Variety of life on Earth.
Keystone species Species crucial for ecosystem balance.
Endangered species Species at high extinction risk.
Threatened species Species likely to become endangered.
Extinction Disappearance of an entire species.
Habitat destruction Permanent loss of natural home.
Habitat fragmentation Splitting habitats into smaller parts.
Poaching Illegal killing or capturing wildlife.
Captive breading Mating animals in controlled facilities.
Created by: user-2003849
 

 



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