某山区于24年前发生过森林火灾，焚毁所有树木．历经长期消长之后，研究人员于近年在该地进行生态调查，得得结果见下表，表内数字为各树种不同树龄（年）的株数．请回答下列问题：

（1）森林火灾过后24年中，原地点发生的群落演替属于____ 演替，该演替过程可以说明生态系统具一定的____ 能力．

（2）目前该山区中丙种群增长情况是如图曲线中Ⅰ、Ⅱ、Ⅲ、Ⅳ的____ 时期．

（3）此森林四种不同树种种间关系是____ ，四种不同树种为生态系统中其他生物的生存提供所需的____ ．

    Here are t____ pictures. A man and a boy are in one picture. Who are they? L____ me tell you. The man is Mr. White, and the boy's n____ is Bill. He's the man's son. Now they are in Bill's bedroom. We can see some Chinese b____ on his desk. And on the bed, t____ is a shirt. It's Bill's. His trousers are on it, too.

    Now let's l____ at the other picture. You can see a woman and a girl in it. The woman is Bill's m____ and she's in her daughter, Ann's room. You can see a photo o____ the Whites on the white wall. W____ that on the floor? Oh, it's Ann's hat. but it looks l____ a brown cat.

  2011年3月11日，日本东北部海域（北纬38.2度，东经142.5度）发生里氏九级地震，并引发海啸，受其影响福岛核电站发生核泄漏事故。读图，回答下列问题．