List the parts of a bulb. Describe the differences between a bulb, rhizome, and tuber. Tell how bulbs and tubers are used as food. Discuss how plants reproduce without seeds -- and ways you can grow a variety of plants without spending money. Grow plants from bulbs and rhizomes. Grow plants from tubers and be able to identify tubers found at home. Dissect bulbs and other plant parts that are available.

Some plant parts may look different, but are actually able to do similar jobs. Plant parts can take on different forms. Plant stems can be horizontal.