营腐生生活的细菌和真菌,在生态系统中的重要作用是分解有机物。()
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新迁入的植物对新的未开发生境中的原有物种的进化也有一定的影响。()
A. 正确
B. 错误
处于演替早期阶段的生物体积小、生活史短但繁殖速度快,这便于最大限度地适应新环境和占有空缺生态位。()
A. 正确
B. 错误
一个气候区内只有一个顶级群落。()
A. 正确
B. 错误
What was significant about Mackintoshes entry for the competition?
A. It was considered to be ahead of its time.
B. It was based on architecture from Austria and Germany.
C. It changed the opinion of him in his own country.
D. It was the most attractive building he had designed.