书城教材教辅科学读本(英文原版)(套装1-6册)
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第309章 第三册(134)

A plant has distinct organs, each of which perform some special kind of work. Some of these-the root, stem, and leaves-are known as vital organs. They have to feed the plant and make it grow. The ?owers are organs of reproduction. They form the seeds, from which new plants will spring.

The Spider

"I"ve found one, Fred," said Willie, running in almost breathless from the garden, "such a monster. He has made a web in the bower by the apple-tree. Bring Norah, and we"ll see what we can find to talk about."A few minutes later they were all seated in the bower, watching a great garden-spider.