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25 Cards in this Set
- Front
- Back
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Community |
a group of organisms living in the same place or having a particular characteristic in common |
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Ecosystem |
a biological community of interacting organisms and their physical environment |
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Habitat |
the natural home or environment of an animal, plant, or other organism |
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Biodiversity |
the variety of life in the world or in a particular habitat or ecosystem |
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Succesion |
the process by which the structure of a biological community evolves over time |
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Climate |
the weather conditions prevailing in an area in general or over a long period |
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Biome |
a large naturally occurring community, like tyga or desert |
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Producer |
Organisms that create their own energy |
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Consumer |
Organisms that eat other organisms for energy |
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Decomposer |
Organisms that "eat" dead organisms and return nutrients to the ground |
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Trophic Level |
comprising organisms that share the same function in the food chain |
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Energy Pyramid |
a graphical model of energy flow in a community |
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Population |
all the inhabitants of a particular area |
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Carrying Capacity |
The number of organisms that a region can support |
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Predation |
The act of eating another organism |
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Coevolution |
2 species that evolve over time, with conjuction of each other |
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Parasitism |
ymbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host |
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Symbiosis |
a mutually beneficial relationship between different organisms |
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Mutualism |
symbiosis that is beneficial to both organisms involved |
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Commenlism |
s a class of relationships between two organisms where one organism benefits from the other without affecting it |
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Niche |
the role an organism or population plays within its community or ecosystem |
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Fundamental Niche |
a viable population of a species occupies in the absence of competition from other species |
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Realized Niche |
he actual space that an organism inhabits and the resources it can access |
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Competitive exclusion |
the inevitable elimination from a habitat of one of two different species with identical needs for resources |
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Keystone Species |
a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically |
