Chapter 17: Seedless Vascular Plants


The Phyla of Seedless Vascular Plants; p. 398; difficult; ans: c



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Chapter 17-final
Chapter 18-final
16. The Phyla of Seedless Vascular Plants; p. 398; difficult; ans: c

The four major groups of vascular plants are:

I. monilophytes, lycophytes, and progymnosperms

II. flowering plants

III. rhyniophytes, zosterophyllophytes, and trimerophytes

IV. gymnosperms

Which of the following is the correct sequence—from earliest to most recent—of the time period in which they were dominant on Earth?
a. I, II, III, IV

b. I, III, IV, II

c. III, I, IV, II

d. III, IV, II, I

e. IV, III, I, II
17. Phylum Rhyniophyta; p. 402; difficult; ans: c

Which of the following statements about the phylum Rhyniophyta is FALSE?


a. They are the earliest well-known vascular plants.

b. They lived during the mid-Silurian.

c. They were differentiated into stems, roots, and leaves.

d. They had dichotomously branching stems.

e. They were homosporous.
18. Phylum Rhyniophyta; p. 402; moderate; ans: b

Cooksonia, a member of the phylum ______, is the oldest known ______.
a. Psilotophyta; fern

b. Rhyniophyta; vascular plant

c. Rhyniophyta; protracheophyte

d. Zosterophyllophyta; vascular plant

e. Zosterophyllophyta; protracheophyte


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