Lecture Exam 2
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- The predominant generation found in the seedless nonvascular plants is the ___ generation
- gametophyte
- Land plants evolved from ____ _____
- green algae
- Which of the following is a characteristic of land plants that also appears in some algae?
- all of the above
- Which of the following is not a derived key trait of land plants
- hexagonal megaspores
- Localized regions of cell division at the tips of shoots an droots of plants are known as
- apical meristems
- Meiosis in mature sporophytes produces ____ spores
- haploid
- The phylum Bryophyta includes all of the following except
- ferns
- A _____ is an embryo packaged with a food supply
- seed
- One of the distinctions between plants and the green algae is that
- embryos are not retained within parental tissues in green algae
- The most recent common ancestor of all land plants was most similar to members of what modern-day group
- charophycea
- Each of the following IS a characteristic of the bryophytes EXCEPT
- Vascular tissue
- Sporophylls can be found in which of the following
- pterophytes
- Land plants can be informally grouped based upon the presence or absence of an extensive system of
- vascular tissue
- ____ are grouped together as "naked seed" plants because their seeds are not enclosed in chabers
- Gymnosperms
- Gymnosperms differ from extinct and extant ferns because they
- have pollen
- The primary way conifers disperse their offspring is by using
- wind blown seeds
- The predominant generation found in the bryophytes is the
- gametophyte
- Roots are organs that
- anchor and absorb nutrients and water
- Spines of a cactur are modified
- leaves
- ____ Flows photosynthetic nutrients from the leaves through the stems to the roots.
- phloem
- The rule among seed plants is being
- heterosporous
- The dominant generation for the gymnosperms and angiosperms is the
- sporophyte
- Collectively, all filaments and associated anthers are termed the calyx.
- false