Group (5) - Spelling Practices

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(1) biologist who studies relation between organisms and their environment
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(2) efficiency; quality of being effective
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(3) act of coming or going out; emergence; right to leave; path or opening for going out
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(4) in early stage of development; of an organism prior to birth; related to embryo
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(5) derived from experiment and observation rather than theory
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(6) intrude; invade; take another's rights gradually; advance beyond proper or former limits
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(7) infuriate; put into a rage; provoke to fury or madness; make furious
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(8) plead; make earnest request of; ask for earnestly
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(9) indefinitely long period of time; age
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(10) forever; being without beginning or end; existing outside of time; infinite