Question : 41.Ferns, whisk ferns, and horsetails belong to a phylum that : 1363722

41.Ferns, whisk ferns, and horsetails belong to a phylum that has about 13 000 described living species. What is the name of this phylum?

42.Which sentence describes the relationship between sporophyte and gametophyte in the fern life cycle?

a.	Gametophytes are photosynthetic and partially independent from the sporophytes.
b.	Both gametophytes and sporophytes are totally independent from each other and are equally dominant.
c.	Sporophytes originate within and are dependent upon gametophytes.
d.	Gametophytes are free-living and photosynthetic, but are replaced by a dominant sporophyte generation.

43.Which of the following types of plants are represented by only two living genera, Psilotum and Tmesipteris?

44.Which term refers to seedless vascular plants that are represented by only one living genus, Equisetum?

45.What does the word gymnosperm mean?

46.Which were the dominant land plants during the Mesozoic era, from about 250 million years ago to 65 million years ago?

47.Which term refers to the specialized male gametophyte of seed plants, such as gymnosperms?

48.Which term refers to the process of transferring male gametophytes to female reproductive parts in seed plants?

49.Which plants are often the dominant land plants in cool temperate zones, especially in areas with poor soils?

50.Which phylum of vascular, seed-bearing plants includes pines, spruces, firs, hemlocks, junipers, cypresses, and redwoods?

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