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55 Cards in this Set
- Front
- Back
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Habitat |
All the biotic and abiotic factors in the area where and organism lives |
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Ecological niche |
Composed of all the physical, chemical, and biological factors that a species needs to survive, stay healthy, and reproduce. |
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Competitive exclusion |
When two species are competing for the same resources, one species will be better suited to the niche, and the other will be pushed into another niche or extinction. |
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Ecological equivalent |
Species that occupy similar niches but live in different geological regions. |
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Competition |
Occurs when two organisms fight for the same limited resources. |
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Predation |
The prices by which one organism captures and feeds upon another organism. |
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Symbiosis |
A cougar ecological relationship bergen two or more organisms of different species yay live in direct contact of one another |
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Mutualism |
An interspecies interaction in which both organisms benefit from one another |
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Commensalism |
One recurve an ecological benefit from another,while the other neither benefits nor is harmed |
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Parasitism |
One organism benefits while the other is harmed |
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Population density |
A measurement of the number of individuals living in a defined space |
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Population dispersion |
The way in which individuals of a population are spread in an area or a volume |
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Survivorship curve |
A generalized diagram showing the number of surviving members over time from a measured set of births |
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Immigration |
The movement of individuals into a population from another population |
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Emigration |
The movement of individuals out of a population and into another population |
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Exponential growth |
When a population size increases dramatically over a period of time |
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Logistic growth |
A population begins with a period of slow growth followed by a brief period of exponential growth before leveling off at a stable size |
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Carrying capacity |
The maximum number of individuals of a particular species that the environment can normally and consistently support |
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Population crash |
A dramatic decline in the size of a population over a short period of time |
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Limiting factor |
The factor that has the greatest effect in keeping down the size of a population |
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Density dependent limiting factor |
Limiting factors that are affected by the number of individuals in a given area |
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Density independent limiting factor |
Aspects of the environment that limit a population's growth regardless of the density of the population |
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Succession |
The sequence of biotic changes that regenerate damaged Community or create a community in a previously uninhabited area |
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Primary succession |
The Establishment and development of an ecosystem in an area that was previously uninhabited |
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Pioneer species |
The first organisms that live in a previously uninhabited area |
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Secondary succession |
The reestablishment of a damaged ecosystem in an area where the soil it was left intact |
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Biosphere |
The part of Earth where life exists |
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Biota |
The collection of living things that live in the biosphere |
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Hydrosphere |
All of Earth's water ice and water vapor |
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Atmosphere |
The air blanketing Earth solid and liquid surface |
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Geosphere |
The features of Earth's surface such as continents rocks and seafloor and everything below Earth's surface |
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Climate |
Long-term pattern of weather conditions in a region |
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Microclimate |
The climate of a small specific place within a larger area |
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Canopy |
The uppermost branches of the trees |
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Grassland |
An area where the primary plant life is grass |
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Desert |
Biomes that receive less than 25 centimeters or 10 inches of precipitation annually and are always characterized by very dry or arid climate |
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Deciduous |
Trees that have adapted to winter temperatures by dropping their leaves and going dormant during the cold season |
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Coniferous |
Trees that retain their needles all year |
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Taiga |
Also known as the Boreal forest is located in cooler climates |
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Tundra |
Located beyond the Taiga in Far Northern latitudes |
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Chaperone |
Also called Mediterranean shrubland is characterized by its hot dry Summers and cool moist Winters |
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Intertidal zone |
The strip of land between the high and low tide lines |
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Neritic Zone |
Extends from the intertidal zone out to the edge of the continental shelf |
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Bathyal Zone |
Extends from the edge of the neritic zone to the base of the continental shelf |
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Abyssal Zone |
Lies below 2000 meters and is in complete darkness |
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Plankton |
Tiny free-floating organisms that live in the water |
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Zooplankton |
Another term for animal plankton |
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Phytoplankton |
Photosynthetic Plankton which include microscopic protists such as algae |
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Coral reefs |
Found within the tropical climate zone |
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Kelp forests |
Exists in cold nutrient-rich water such as those found in California is Monterey Bay |
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Estuary |
Partially enclosed body of water formed where a river flows into an ocean |
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Watershed |
A region of land that drains into a river a river system or another body of water |
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Littoral Zone |
Similar to the oceanic intertidal zone and it is located between the high and low water marks along the shoreline |
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Limnetic Zone |
Also called the pelagic Zone refers to the Open Water located farther out from Shore |
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Benthic Zone |
The lake or Pond bottom where less sunlight reaches |
