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Flashcards - Principles of Ecology

Flashcards - Principles of Ecology
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trophic levels
The trophic level of an organism is the position it occupies in a food chain
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food web
A food web is the natural interconnection of food chains and generally a graphical representation of what-eats-what in an ecological community
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food chain
A food chain is a linear network of links in a food web starting from producer organisms and ending at apex predator species , detritivores , or decomposer species
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vectors
In mathematics, physics, and engineering, a Euclidean vector is a geometric object that has magnitude and direction
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symbiosis
Symbiosis is a close and often long-term interaction between two different biological species
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host
A network host is a computer or other device connected to a computer network
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Commensalism
Commensalism, in ecology, is a class of relationships between two organisms where one organism benefits from the other without affecting it
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range
In arithmetic, the range of a set of data is the difference between the largest and smallest values
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intraspecific competition
Intraspecific competition is an interaction in population ecology, whereby members of the same species compete for limited resources
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habitat
A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism
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Nitrogen fixation
Nitrogen fixation is a process in which nitrogen in the atmosphere is converted into ammonia
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nitrification
Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate
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eutrophication
Eutrophication , or more precisely hypertrophication, is the depletion of oxygen in a water body, which kills aquatic animals
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acid rain
Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions
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photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
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carbon cycle
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth
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population
A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding
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ecosystem
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment , interacting as a system
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ecology
Ecology is the scientific analysis and study of interactions among organisms and their environment
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biosphere
The biosphere is the global sum of all ecosystems
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biosphere
The biosphere is the global sum of all ecosystems
ecology
Ecology is the scientific analysis and study of interactions among organisms and their environment
ecosystem
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment , interacting as a system
population
A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding
carbon cycle
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth
photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
acid rain
Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions
eutrophication
Eutrophication , or more precisely hypertrophication, is the depletion of oxygen in a water body, which kills aquatic animals
nitrification
Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate
Nitrogen fixation
Nitrogen fixation is a process in which nitrogen in the atmosphere is converted into ammonia
habitat
A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism
intraspecific competition
Intraspecific competition is an interaction in population ecology, whereby members of the same species compete for limited resources
range
In arithmetic, the range of a set of data is the difference between the largest and smallest values
Commensalism
Commensalism, in ecology, is a class of relationships between two organisms where one organism benefits from the other without affecting it
host
A network host is a computer or other device connected to a computer network
symbiosis
Symbiosis is a close and often long-term interaction between two different biological species
vectors
In mathematics, physics, and engineering, a Euclidean vector is a geometric object that has magnitude and direction
food chain
A food chain is a linear network of links in a food web starting from producer organisms and ending at apex predator species , detritivores , or decomposer species
food web
A food web is the natural interconnection of food chains and generally a graphical representation of what-eats-what in an ecological community
trophic levels
The trophic level of an organism is the position it occupies in a food chain
camouflage
Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see , or by disguising them as something else
survivorship curve
A survivorship curve is a graph showing the number or proportion of individuals surviving to each age for a given species or group
global warming
Global warming and climate change are terms for the observed century-scale rise in the average temperature of the Earth's climate system and its related effects
organism
In biology, an organism is any contiguous living system, such as an animal, plant, fungus, archaeon, or bacterium
phosphorus cycle
The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere
niche
In ecology, a niche is a term with a variety of meanings related to the behavior of a species living under specific environmental conditions
Temperate deciduous forests
Temperate deciduous forests or temperate broad-leaf forests are dominated by trees that lose their leaves each year
biome
A biome /ˈbaɪoʊm/ is a formation of plants and animals that have common characteristics due to similar climates and can be found over a range of continents
dispersion
In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency
greenhouse gas
A greenhouse gas is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range
taiga
Taiga also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces and larches
metapopulations
A metapopulation consists of a group of spatially separated populations of the same species which interact at some level
wildlife corridors
A wildlife corridor, habitat corridor, or green corridor is an area of habitat connecting wildlife populations separated by human activities or structures
environmental factors
Environmental factor or ecological factor or ecofactor is any factor, abiotic or biotic, that influences living organisms
density-independent factors
In population ecology, density-dependent processes occur when population growth rates are regulated by the density of a population
Parasitism
In biology/ecology, parasitism is a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host
consumer
A consumer is a person or organization that uses economic services or commodities
colonization
Colonization is an ongoing process by which a central system of power dominates the surrounding land and its components
zygotes
A zygote , is a eukaryotic cell formed by a fertilization event between two gametes
population density
Population density is a measurement of population per unit area or unit volume; it is a quantity of type number density

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