一道AP生物题You cut your initials in a tree 5 feet above the ground this year.The tree grows 2 feet per year and you return in 8 years.How high will your initials be at that time 5 feet10 feet16 feet 21 feet7 feet
问题描述：
一道AP生物题
You cut your initials in a tree 5 feet above the ground this year.The tree grows 2 feet per year and you return in 8 years.How high will your initials be at that time
5 feet
10 feet
16 feet
21 feet
7 feet
答
5 feet
这道题考的是树生长只会从顶部向上生长，与底部无关，所以标记位置不会变化。
答
题目是说你把姓名缩写刻在5英尺高的树上,树每年长2英尺,8年以后你的缩写离地多高
问题就是名字会不会随着树长高
但是记号位置是不会变的,所以还是在5英尺的地方,如果切断了维管组织什么的话可能会变大,但是记号位置不会随着树长高而同时长高