Across
- 4. Consists of living cells arranged into tubes
- 7. Two or more organisms in a relationship
- 9. Plant derived medication from the poppy
- 11. Site of spore production in sporophytes
- 14. facilitate fertilization when male and female gametophytes are separated
- 15. Consists of an embryo and nutrients surrounded by a protective coat
- 16. Nourishes the growing seedling
- 17. A polymer that prevents exposed zygote from drying out
- 18. Developed from microspores and contain the male gametophyte
- 20. Seed plants with reproductive structures called flowers and fruit
- 22. One cotyledon
- 24. Spores of two different sizes and sexes
- 28. Closets relatives of land plants
- 30. Produces microspores that give rise to male gametophytes
- 33. Where plants sustain continual growth
- 34. Produce ovules in the ovary of flowers
- 35. Process by which plants use light energy to produce food
- 37. Angiosperm megaspores usually have two
- 39. Brightly coloured and attracts pollinators
- 40. Conducts most of the water and minerals and includes tracheids
- 41. Consists of a megasporangium, megaspore, and one or more integuments
Down
- 1. Only one type and size of spores
- 2. Organs that anchor vascular plants
- 3. Most gymnosperms are cone bearing plants called
- 5. Produces megaspores that give rise to female gametophytes
- 6. Female gametangia that produce eggs and are the site of fertilization
- 8. Produces spores by meiosis
- 10. Have flagellated sperm unlike most seed plants
- 12. Plants with embryos
- 13. Occurs when pollen tube discharges two sperm into the female gametophyte within an ovule
- 19. Dominant stage of Bryophytes
- 21. Formed when ovary wall thickens and matures
- 23. Male gametangia that produces and releases sperm
- 25. Triploid, and nourishes the developing embryo
- 26. 80% of flowering plants are pollinated by
- 27. Organs that increase surface area of vascular plants
- 29. Floral organs, usually in multiples of four or five
- 31. The transfer of pollen to the part of the plant containing ovules
- 32. Leaves with a single vein
- 36. The most seedless, vascular plant
- 38. Plants evolved from