Across
- 3. fruits that split at maturity
- 5. a mature ovary usually containing seeds
- 7. leaves on the outermost whorl of the flower
- 8. a pointed specialized stem
- 10. the sole means for sustaining life at any level
- 12. the gaining of one or more electron
- 14. proteins that speed up chemical reactions
- 15. the movement of molecules from high to low concentration
- 16. the pollen bearing part of a stamen
- 17. building chemical bonds through metabolic reactions
- 18. if the plant bears only male or female flowers
- 20. the outermost boundary layer of a seed
Down
- 1. the female part of plant consisting of stigma, style, ovary
- 2. the union of egg and sperm
- 4. waxy or fatty layer of varying thickness
- 6. minute pore in the epidermis
- 9. a plant that lives indefinitely after flowering
- 10. the transfer of anther to stigma
- 11. region of the stem where one or more leaves are attached
- 13. branching network within leaves
- 19. the loss of one or more electron