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Ecology Vocab

Terms in this set (20)

Ecology
The study of how living things interact with each other and their environment
Ecosystems
All the living and non-living things that interect in an area.
Biotic Factors
living factors affect life in the ecosystem
Abiotic Factors
nonliving factors that affect life in the ecosystem
Organism
A living thing
Population
a group of different organisms that are the same species
Biological community
group of different populations in the same area
Traits
Characteristics that are inherited
Carrying Capacity
the number of organisms that can easily survive in the ecosystem without depleting it
Limiting Factor
abiotic and biotic factors that determine how many organisms are able to survive
Niche
the way a species interacts with abiotic and biotic factors in order to meet its basic needs
Predator
act of one organism feeding on another organism
Prey
the organism that is eaten by another organism
Symbiosis
a close, long-term relationship between two species that usually involves food or energy
Mutualism
Both species benefit from their interaction
Commesalism
One species benefits and the other one is not harmed or helped
Parasitism
One species benefits at the expense of another
Competition
Interactions between two or more organisms that need the same resource at the same time
Genetic Veriation
Differences among individuals in the composition of their genes or other DNA segments
Biome
group of similar ecosystems
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