Flashcards - Praxis Middle School Science: Key Aspects of Ecology

Flashcards - Praxis Middle School Science: Key Aspects of Ecology
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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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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
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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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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
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communicate
Communication is the act of conveying intended meanings from one entity or group to another through the use of mutually understood signs and semiotic rules
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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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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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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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32 cards in set
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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
habitat
A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism
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
communicate
Communication is the act of conveying intended meanings from one entity or group to another through the use of mutually understood signs and semiotic rules
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
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
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
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
organism
In biology, an organism is any contiguous living system, such as an animal, plant, fungus, archaeon, or bacterium
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
instinct
Instinct or innate behavior is the inherent inclination of a living organism towards a particular complex behavior
agonistic behaviors
Agonistic behaviour is any social behaviour related to fighting
social behaviors
Social behavior is behavior among two or more organisms, typically from the same species
social group
In the social sciences a social group has been defined as two or more people who interact with one another, share similar characteristics, and collectively have a sense of unity
dispersion
In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency
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
consumer
A consumer is a person or organization that uses economic services or commodities
Altruism
Altruism or selflessness is the principle or practice of concern for the welfare of others
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
population density
Population density is a measurement of population per unit area or unit volume; it is a quantity of type number density
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

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