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为加大对濒危物种绿孔雀的保护, 我国建立了自然保护区, 将割裂的栖息地连接起来, 促进了绿孔雀种群数量的增加。下列说法错误的是

Gaokao · Biology · previous-year question

A.将割裂的栖息地连接, 促进了绿孔雀间的基因交流
B.提高出生率是增加绿孔雀种群数量的重要途径
C.绿孔雀成年雄鸟在繁殖期为驱赶其他雄鸟发出的鸣叫声, 属于物理信息
D.建立自然保护区属于易地保护，是保护绿孔雀的有效措施

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