Therefore, the key to the ability of a population to survive by adaptation lies in the rapidity with which the next generation, the more resistant generation, is produced by the [______] of this generation.
동의어 · witness, bearer, remnant파생어 · survive(살아남다)
★ 주제문 — S2·S4·S5이(가) 이 문장을 떠받칩니다 — S1을(를) 맥락(으)로 뒷받침