Across
- 1. body is organized into a root system and a shoot system
- 5. growth is an increase in the girth of a plant
- 6. tissues are composed of only one kind of cell
- 8. tissues have two or more kinds of cells
- 10. cells do not differentiate
- 12. shoots of herbaceous perennials (for example, iris) die back each winter
- 13. is composed of the ground tissue system, which has a variety of functions, including photosynthesis, storag, and support
Down
- 2. is a group of cells that forms a structural and functional unit
- 3. plants are perennials, and some of them live for hundreds or even thousands of years
- 4. involves three different processes: cell division, cell elongation (the lengthening of a cell), and cell differentiation
- 7. growth is an increase in the length of a plant
- 9. the flattened organ for photosynthesis and attached regularly on the stem
- 11. anchors the plant firmly in place and absorbs water and dissolved minerals from the soil