生态位重叠（Niche Overlap）

[名词解释] 生态位（niche）

[名词解释] 生态位 ecological niche

[填空题] 生态位的数量特征主要是（）和生态位重叠。

[判断题] 运用生态位原理要注意，生态位只能饱和而不能重叠。A . 正确B . 错误

[主观题]生物的生态位重叠必然导致竞争。（ ）此题为判断题(对，错)。

[名词解释] niche

[单选题]The period of valve overlap is when （）.A . the inlet valve is openB . the exhaust valve is openC . both valves are closeD . both valves are ope

[名词解释] 保护区段overlap section

[单选题]Valve overlap is the period during which （）.A . the inlet valve is openB . the exhaust valve is openC . both valves are closedD . both valves are ope

[填空题] 基础生态位比实际生态位（）。