There is an apple tree, and it loves a little boy. The boy also likes to come and play around it. One day, he needs a toy, but he has no money, so the tree asks him to sell all the apples on the tree. ____Then the boy grows up(长大). He becomes a man.____The tree is very sad. ____ “Come and play with me!” the tree says. “No, I have to work because I must buy a big house.____” the man asks. “Sorry, I have no house, but you can cut down all my branches(树枝) and the trunk(树干). You can build the house with them,” the tree answers. ____After many years, the man becomes older, and he comes back again. “I only have the stump(树桩), but you can have a rest.”

    Remember to love your parents at any time !

海外华人、华侨分布最集中的地区是（    ）

就花生果实大小的变异回答下列问题：
（1） 大花生和小花生是两个不同的品种，大花生的后代一般结大花生，小花生的后代一般结小花生，这说明生物具有____ 特性，是由它们细胞内的____ 所决定的。
（2） 大花生和小花生两个品种的形成，说明生物具有____ 特性。
（3） 从大花生中选择一粒饱满粒大的种子种下去，所收获的花生也有大小之分。这说明：生物的性状除了由____ 所决定外，还与____ 有关。