右图为某种生物迁入一生态系统后种群增长速率随时间变化的曲线推断错误的是 A.a点和c点时的种群数量相等b.b点时出生率大于死亡率c Template




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tomski右图为某种生物迁入一生态系统后种群增长速率随时间变化的曲线推断错误的是 a.a点和c点时的种群数量相等b.b点时出生率大于死亡率c coloring