全国各地中考真题:贵州省贵阳市2021年中考生物试题(解析版)
【中小学教辅资源店微信:mlxt2022】贵阳市2021年初中学业水平考试生物试卷一、选择题:本题共12个小题,每小题2分,共24分。在每个小题给出的四个选项中,只有一项是符合题目要求的。1.自然界的每一种生物,都会受到周围环境中很多其他生物的影响。下列各项中属于影响小麦生长的生物因素是A.一定的水分B.适宜的温度C.充足的阳光D.麦田中的杂草【答案】D【解析】【分析】环境中影响生物生活的各种因素叫生态因素,分为非生物因素和生物因素.非生物因素包括:光、温度、水、空气、土壤等;生物因素是指环境中影响某种生物个体生活的其他所有生物,包括同种和不同种的生物个体。【详解】选项中一定的水分、适宜的温度...
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