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Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Chapter 29
Plant Diversity I:
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How Plants Colonized Land
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Questions prepared by
Eric Ribbens
Western Illinois University
Michael Dini
Texas Tech Univeristy
© 2011 Pearson Education, Inc.
Which of the following are the closest algal relatives of
land plants?
a) psilophytes
b) charophytes
c) chrysophytes
d) bacillariophytes
e) rhodophytes
© 2011 Pearson Education, Inc.
The textbook describes the many similarities between
the Charophyta and the land plants (Embryophyta).
Then the textbook asserts that while this implies an
evolutionary relationship, it is not necessarily true that
the land plants evolved from the modern-day
Charophyta. What is a likely alternative explanation?
a) Land plants evolved from another group of algae.
b) Both land plants and Charophyta have evolved from a
more primitive group.
c) Land plants are the ancestors of Charophyta.
d) Land plants are paraphyletic.
e) Land plants are polyphyletic.
© 2011 Pearson Education, Inc.
The relationship between a gametophyte and a
sporophyte in a liverwort is like the relationship
a) a brother and a sister.
b) a grandparent and a grandchild.
c) an uncle and a nephew.
d) a parent and a child.
e) two cousins.
© 2011 Pearson Education, Inc.
Before land plants evolved, life on land
probably consisted of rocks covered by thin
films of cyanobacteria. This implies that before
a) photosynthesis did not happen.
b) plants evolved from cyanobacteria.
c) rocks did not contain nutrients.
d) there were no eukaryotes.
e) terrestrial ecosystems were very simple.
© 2011 Pearson Education, Inc.
Plants that evolved vascular tissue are more
advanced than plants without vascular tissue.
One of the consequences is that vascular
tissue enabled plants to
a) reproduce via spores.
b) store water.
c) grow taller.
d) develop stomata.
e) support large gametophytes.
© 2011 Pearson Education, Inc.
One thing you should be able to conclude from this figure
is that
a) gametophytes have less DNA than
b) gametophytes evolved before
c) gametophytes are less important
than sporophytes.
d) gametophytes grow from
e) gametophyte cells come about by
mitosis; sporophyte cells come
about by meiosis.
© 2011 Pearson Education, Inc.
The following graph describes Richard
Bowden’s experiment. If the two bars were the
same height, we could conclude that moss
a) doesn’t use nitrogen.
b) gets its nitrogen from
the soil.
c) doesn’t accumulate
d) gets its nitrogen from
e) doesn’t affect other
plants growing there.
© 2011 Pearson Education, Inc.
The bars in the graph are very different. The
fact that, without moss, nitrogen loss is much
higher implies that
a) Richard Bowden should have
known moss was important.
b) sandy soils with moss probably
have more nitrogen available
than soils without moss.
c) moss is able to capture
nitrogen from the atmosphere.
d) moss uses so much water that
leaching doesn’t happen.
e) mosses harbor nitrogen-fixing
© 2011 Pearson Education, Inc.
Stomata are found in every group of sporophyte
plants except the liverworts. According to the
hypothesis that stomata evolved only once
among the bryophytes, this is evidence that
a) liverworts resemble the most primitive plants.
b) liverworts don’t need to exchange gases with the
c) liverworts have lost the ability to make stomata.
d) liverworts are able to fix nitrogen.
e) gametophytes are more important in liverworts.
© 2011 Pearson Education, Inc.
This figure implies that
a) red algae and chlorophytes
form a monophyletic clade.
b) if the three groups of algae
(red algae, chlorophytes,
and charophytes) formed a
kingdom, it would be
c) alternation of generations
unites all four taxa into a
monophyletic kingdom.
d) all organisms that have
chlorophylls a and b belong
to a monophyletic kingdom.
© 2011 Pearson Education, Inc.
There are several pieces of evidence that ferns
are derived from more primitive plants. Of the
following fern characteristics, which one does
NOT link them to more primitive plants?
a) homospory
b) stomata in sporophytes
c) megaphylls
d) separate free-living gametophytes
e) lack of seeds
© 2011 Pearson Education, Inc.
Protonema have large surface-area-to-volume
ratios. From this, you can predict that
a) should be big.
b) probably are important in reproduction.
c) secrete digestive enzymes.
d) have stomata and other openings.
e) are absorptive interfaces with the environment.
© 2011 Pearson Education, Inc.
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