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The differences might be minute, but those whose make-up is even slightly better suited to the environment would tend to live

아주 작은 체질 └───~에 적합하다.─┘

slightly longer and have more opportunities to prduce offspring. Eventually, the accumulation of favorable characteristics might

기회 자손 마침내 축적 찬서하는 독특한

be followed by an inability to breed with the original type, and thus a new spcies would be born.

무능번식하다이와같이
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species 종

special 특별한