A：喜光的桉树下栽种半阴性植物菠萝运用了群落的空间结构原理
B：发生在裸岩上的初生演替一定是生物与环境相互作用的结果
C：某有翅昆虫种群中出现的无翅类型一定不利于其生存
D：森林中狼和兔间的信息传递有利于维持生态系统的稳定
看拼音，写词语。
kān chēng
zhuàn xiě
qiān bǐ
xiá zhǎi
____
jiāo shí
luó kuāng
dǎ rǎo
chǒu lòu
根据短文内容判断正误。
Tom has a strong and faithful dog, Bruce. The dog likes playing with Tom. Sometimes he also follows Tom's father to work.One morning when Tom's father worked in the field, he took off his coat and put it on the ground under a big tree. He turned to the dog and said,“Watch my coat, Bruce!” Bruce sat down on the coat. Later Tom's father remembered he had to buy some food. So he hurried to the shop. After shopping, he went home directly and forgot all about his coat and the dog. Late in the evening Tom looked for his dog everywhere in the house, but he couldn't find him. At this time Tom's father suddenly remembered his coat and the dog. He went back to the tree at once. He found that Bruce was still sitting on the coat!
关于人体氨基酸的叙述，正确的是（ ）
“文化大革命”的结束，从本质上说明了( )
