观察如图下列描述不正确的是 A.在该生态系统中草的数量最多b.如果人们大量捕杀蛇就会破坏生态平衡c.杠杆不平衡因此该生态系统不能 Template




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tomski观察如图下列描述不正确的是 a.在该生态系统中草的数量最多b.如果人们大量捕杀蛇就会破坏生态平衡c.杠杆不平衡因此该生态系统不能 coloring