Across
- 5. organelle of living cell that contains chromosomes and is essential to the regulation and control of all the cells functions
- 6. having unisexual flowers or cones with male flowers or cones confiend to certain plants.
- 7. A plant whose seeds are not enclosed in an ovary during their development;the development
- 9. A structure derived from the microspore of seed plants
- 10. appearance of a hybrid of a tree fern and a palm
- 11. fan shaped leves, fleshy seeds
- 13. outer boundary layer of the seed it is developed from the integument
Down
- 1. a division of plants, grouped within the gymnosperms, that consists of some 70 species across the three relict genera
- 2. a division of vascular land plants containing a single extant class
- 3. Mature Ovule containing an embryo and bound by a protective seed coat
- 4. the outermost layer of an ovule usually develops into a seed coat
- 8. modified leaf that bears a sporangium
- 12. a sticky flammable organic substance, insoluble in water, exuded by some trees and other plants