Across
- 3. an opening for gas exchange in the lower epidermis of a leaf
- 4. plants, particularly trees, that shed their leaves in autumn and grow new ones in spring
- 7. a plant response to environmental factors which is controlled by plant hormones
- 9. algae and fungi growing together in a mutualistic relationship
- 10. plant hormones
- 11. the non-woody, green stem of annuals, biennials, and some perennials
Down
- 1. straw-like cells that carry water and minerals upward in vascular plants
- 2. System the xylem and phloem tissues of a plant which form a system for transport of liquids
- 5. any plant that has cones
- 6. the process of water evaporating from a plant
- 8. an underground, horizontal stem that can produce a new plant