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19 Cards in this Set
- Front
- Back
Minerals, temperature, and soil quality are considered __________ components of an ecosystem.
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abiotic
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Two organisms that use the same resources when those resources are in short supply are said to be:
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competitors
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In a commensalistic relationship an organism:
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neither harms nor benefits the host.
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Competition for a limiting resource would be a _________.
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Density Dependent Factor
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Microbial antagonism is:
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where established bacteria suppress the growth of invading bacteria.
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Which of the following pairs represents a mutualistic relationship?
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The microorganism Trichonympha and termites
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Plants and other photosynthetic organisms are:
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producers
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The living components that make up the ecosystem are collectively called the ______components of the ecosystem.
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biotic
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What type of relationship exists in which a microorganism lives on the body, yet doesn't cause harm and does not benefit the host?
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a commensalistic relationship
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What is the relationship called when one organism lives by harming another?
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Parasitism
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A population is considered to grow when:
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the birth rate exceeds the death rate.
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The interaction between abiotic and biotic factors shapes a(n):
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ecosystem
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The human population first began to increase with the development of:
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agriculture
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Your pet frog is a/an _________. Frogs eat worms which are ________. Worms eat dead organic material and are therefore _________.
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consumer; heterotrophs; consumers
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commensalism is considered _______ for both species.
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positive for one and neutral for another
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Lyme disease is transmitted by which vector?
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the deer tick
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birth rate death rate = _______________
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growth rate
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a tomato plant is a _____
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producer
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Organisms that utilize the remains of other organisms as their energy source are called:
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decomposers
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