【举例导引】美丽的大自然中,除了活泼可爱的动物们,还有枝繁叶茂的大树、色彩绚丽的花朵、各种各样的蔬菜,这些植物家族也值得我们细心观察的。植物外形应该怎样分解呢?请看一位同学是这样分解苹果树的外形:树根→树干→树枝→树叶→花朵(花托、花瓣、花蕊)→果实(果皮、果肉、果核) [Examples of guidance] Beautiful nature, in addition to lovely animals, there are lush trees, colorful flowers, a variety of vegetables, these plant families also deserve our careful observation. How to break down the appearance of a plant shape? Look at a classmate is the decomposition of the shape of the apple tree: root → trunk → branches → leaves → flowers (Torus, petals, stamens) → fruit (peel, pulp, fruit)