22 terms

Ecology

STUDY
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Terms in this set (...)

Abiotic Factor
A nonliving part of an organism's habitat
Abundant
Existing or available in large quantities; plentiful
Biome
A large community of plants and animals that occupies a distinct region
Biotic Factor
Any living part of the environment with which an organism might interact
Carrying Capacity
The largest population that an environment can support at any given time
Commensalism
A type of relationship between two species of a plant, animal, fungus, etc., in which one lives with, on, or in another without damage to either
Community
All the different populations that live together in an area
Consumer
An organism that obtains energy by feeding on other organisms
Decomposer
Organism that breaks down and obtains energy from dead organic matter
Ecosystem
All the organisms that live in a place, together with their nonliving environment
Food Web
A diagram that shows the feeding relationships between organisms in an ecosystem
Mutualism
A relationship between two species of organisms in which both benefit from the association
Parasitism
A relationship between two species of organisms in which one benefits and the other is harmed
Plankton
Tiny algae and animals that float in water and are carried by waves and currents
Population
A group of individuals that belong to the same species and live in the same area
Predator
An animal that hunts other animals for food
Prey
An organism that is killed and eaten by another organism
Producer
An organism that can make its own food
Run-off
Water that flows over the ground surface rather than soaking into the ground
Subsequent
Coming after or later; following
Symbiosis
Any relationship in which two species live closely together
Terrestrial
Living on land

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