Week 1 revision Plant Diversity

3. An organism or life stage is ________ if it contains two sets of chromosomes.
5. ______ is vital for reproduction in all Bryophytes.
9. The name of the theory which explains how chloroplasts became an organelle of plant cells.
11. The obvious phase of a Bryophyte life cycle is _______.
12. A key reason for sexual reproduction.
14. Term which refers to how the female gamete is significantly larger than the male gamete and is non-motile.
17. In phylogeny, a grouping that does not include the common ancestor of all members of the taxon.
19. A group of Bryophytes that have leptoids, hydroids and ariel sporophytes.
20. A trait which is shared among two or more taxa inherited from the most recent common ancestor.
21. Diploid stage of Bryophyte life cycle.
23. Structure on a liverwort used in asexual reproduction.
24. The female reproductive organ in Bryophytes.

1. These Bryophytes have no stomata.
2. Life cycle of plants that includes multicellular haploid and diploid stages.
4. A phylogenetic grouping that includes an ancestor but not all of its descendants.
6. Haploid stage of Bryophyte life cycle.
7. Channels which traverse plant cell walls enabling transport and communication between them.
8. The male reproductive organ in Bryophytes.
10. Process that divides diploid cells into haploid spores.
13. The group of plants that include mosses, liverworts and hornworts.
15. A non-vascular seedless plant that produces nutritionally independent sporophytes.
16. A derived trait which is unique to a taxa.
18. In phylogeny, a group of organisms that includes an ancestral species and all of its descendants.
22. Common ancestor of all land plants.