M4 PLANT CROSSWORD
Across
- 2. the oak tree (Quercus robur) belongs to this phylum
- 3. triploid foodstuff contained in angiosperm seeds to nurture the sporophyte embryo
- 7. a hollow tube which develops from a pollen grain when deposited on the stigma of a flower (6,4)
- 8. the transfer of pollen to a stigma, ovule, flower, or plant to allow fertilisation
- 9. a palm-like plant of tropical and subtropical regions, bearing large male or female cones
- 10. the part of a stamen that contains the pollen
- 12. the female organs of a flower, comprising the stigma, style, and ovary
- 15. having both the male and female reproductive organs on the same individual (hermaphrodite)
- 16. a plant of a group that comprises those that have seeds unprotected by an ovary or fruit
- 17. these tissues are found in all plants except the bryophytes
Down
- 1. male gametophyte in seed plants (6,5)
- 4. a tiny, typically one-celled, reproductive unit capable of giving rise to a new individual without sexual fusion
- 5. (in the life cycle of plants with alternating generations)the 2n phase
- 6. a chiefly herbaceous angiospermous plant (such as a grass, lily, or palm) having an embryo with a single cotyledon
- 8. during double fertilisation, one of the generative nuclei in the pollen grain
- 11. (in the life cycle of plants with alternating generations) the gamete-producing phase
- 13. a plant of a large group that comprises those that have flowers and produce seeds enclosed within a carpel
- 14. in seed plants, the first cell of the female gametophyte generation