Exam 26: Plants

Suppose you are a botanist and you discover a plant that has xylem and phloem. Into which group should you NOT classify this plant?

Describe the major differences between seedless vascular plants, gymnosperms, and angiosperms.

Which phylum includes club mosses and their close relatives?

When a plant is heterosporous, what does this mean?

Match each plant structure or stage of the plant life cycle with the term that best describes the cells in that structure or stage. Each term may be used once, more than once, or not at all. -protonema

A seed is often described as "a baby plant in a box with its lunch." Explain this statement using more proper terms for baby plant, box, and lunch.

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

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

This group is one of the two main angiosperm clades. This group has about 200 000 species, and most have two cotyledons. What is the name of this plant group?

Which of the following is a protective structure where egg cells are formed in bryophytes and some other plants?

What is the name of the phylum of nonvascular plants that produces hornlike sporophytes?

Which phylum contains the ferns?

What are the most successful of all plants today?

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

Which phylum of vascular, seed-bearing plants has only about 70 living species in three genera, including Welwitschia and Ephedra?

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

Suppose you are a botanist and you discover a plant that has a small free-living gametophyte that requires external water for fertilization and a large free-living sporophyte. The free-living sporophyte eventually releases spores from sporangia on the margins of its leaves. Into which group should you classify this plant?

Which term refers to a structure with stems and leaves that arise from apical meristems?

What is the name for the simple body that makes up the gametophyte generation for many liverworts?

Which of the following is a characteristic of Bryophytes?