1.   The tree produces good fruit.

2.   Alone in the world, the tree resourcefully produces both male and female flowers.

3.   Because of the vagaries of apple genetics, most seedling trees produce inedible fruit, good for little but cider.

4.   But David Lee and Missy Holbrook of Florida International University, believe trees may purposefully produce the colors when they sense the end of the growing season.

5.   But if the oak trees produce an enormous bumper crop every three or four years, then some acorns will survive and become seedlings.

6.   Hardwood trees produce columns of open-ended cells, much like stacks of tin cans with the tops and bottoms removed.

7.   Keep in mind that these trees produce deep taproots that make transplanting difficult.

8.   Maturity begins when the adult tree produces flowers.

9.   Mature trees produce millions of brownish-black seeds, each about the size of a grain of pepper, every year.

10.   Softwood trees produce very long, thin cells that pass liquids from one to another through small pits in their ends, which touch each other.