Week 1 revision Plant Diversity

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Across
  1. 3. A phylogenetic grouping that includes an ancestor but not all of its descendants.
  2. 4. The obvious phase of a Bryophyte life cycle is _______.
  3. 7. A trait which is shared among two or more taxa inherited from the most recent common ancestor.
  4. 8. The female reproductive organ in Bryophytes.
  5. 11. A derived trait which is unique to a taxa.
  6. 12. Diploid stage of Bryophyte life cycle.
  7. 15. A key reason for sexual reproduction.
  8. 19. Haploid stage of Bryophyte life cycle.
  9. 20. Structure on a liverwort used in asexual reproduction.
  10. 21. The name of the theory which explains how chloroplasts became an organelle of plant cells.
  11. 22. The male reproductive organ in Bryophytes.
  12. 24. ______ is vital for reproduction in all Bryophytes.
Down
  1. 1. An organism or life stage is ________ if it contains two sets of chromosomes.
  2. 2. Life cycle of plants that includes multicellular haploid and diploid stages.
  3. 5. These Bryophytes have no stomata.
  4. 6. The group of plants that include mosses, liverworts and hornworts.
  5. 9. In phylogeny, a group of organisms that includes an ancestral species and all of its descendants.
  6. 10. Process that divides diploid cells into haploid spores.
  7. 13. In phylogeny, a grouping that does not include the common ancestor of all members of the taxon.
  8. 14. Common ancestor of all land plants.
  9. 16. Channels which traverse plant cell walls enabling transport and communication between them.
  10. 17. Term which refers to how the female gamete is significantly larger than the male gamete and is non-motile.
  11. 18. A group of Bryophytes that have leptoids, hydroids and ariel sporophytes.
  12. 23. A non-vascular seedless plant that produces nutritionally independent sporophytes.