Nomenclature of Plants

3. large strengthened vein on the midline of a leaf
4. study of Earth's physical structure and substance
5. stalk which joins a leaf and stem
9. strand of conduction vessels in the stems or leaves of plants
11. short fleshy underground stem which is enlarges to store nutrients
14. diploid stage in the life cycle of plants which produces haploid spores through meiosis
15. study of the movement distribution and quality of water on Earth
16. haploid stage in the life cycle of plants which produces haploid gametes through mitosis
18. part of the plant embryo which develops from the primary root
19. chemical product of photosynthesis

1. end wall which is perforated with pores
2. evaporation of water into the atmosphere from the stems and leaves of plants
6. thickening of roots and stems by cell division in the vascular cambrium
7. plants develop adaptive phenotypic characteristics due to changes in the environment
8. person or people who determined the name for the plant
10. group of plants are selected for desirable traits and are maintained through propagation
12. thin layer od delicate tissue separating the xylem and phloem which induces secondary growth
13. process of converting light energy to chemical energy and storing it as food
17. series of opening which facilitate gas exchange between inner parts of plant organs