Question 1

In the moss life cycle, the ______ is the dominant generation.

Accepted Answer

A)   haploid gametophyte
B)   diploid gametophyte
C)   haploid sporophyte
D)   diploid sporophyteE) All of the above
F) B) and D)

Question 2

Describe why the taproot of a eudicot can give them an advantage in environments that are periodically exposed to drought conditions.

Accepted Answer

Answers may vary. The taproot of the eud...

Question 3

Which portion of the plant life cycle is haploid?

Accepted Answer

A)   gametophyte
B)   sporophyte
C)   both sporophyte and gametophyte are haploid
D)   zygoteE) All of the above
F) A) and D)

Question 4

Identify the species that is not classified as a pteridophyte.

Accepted Answer

A)   Marchantia
B)   Equisetum
C)   Hart's tongue
D)   PsilotumE) All of the above
F) A) and B)

Question 5

According to the cladogram pictured here, land plants and green algae

Accepted Answer

A)   are in different clades and form a polyphyletic group.
B)   are in the same clade and form a monophyletic group.
C)   do not share common ancestry.
D)   No answer choice is correct. I would suggest picking a specific group to ask about instead of land plants.E) B) and C)
F) A) and D)

Question 6

Seedless vascular plants include all of the following EXCEPT

Accepted Answer

A)   Psilotum-Pteridophytes
B)   horsetails-Sphenophyta.
C)   Sphagnum-Bryophyta.
D)   whisk ferns-Psilotophyta.E) None of the above
F) A) and B)

Question 7

Which benefit did the lycophytes derive from their evolution of megaphylls?

Accepted Answer

A)   An increased ability to capture more solar energy.
B)   Increased ability to produce greater stores of food.
C)   Their fitness would have increased due to a greater ability to photosynthesize.
D)   All of these are benefits they would have received.
E)   They would not have received any of these benefits.F) B) and E)
G) D) and E)

Question 8

Fossils of vascular plants appear earlier in the fossil record than those of algae.

Accepted Answer

A) True 
 B)False

Question 9

All of the following characteristics are among the adaptations of plants to life on land EXCEPT

Accepted Answer

A)   protection of the embryo from drying out.
B)   waxy cuticle on leaves to prevent drying out.
C)   waxy cuticle on roots to prevent drying out.
D)   vascular system (in most plants)  to move water internally.E) A) and C)
F) C) and D)

Question 10

What is the correct sequence of events during the life cycle of a moss?
A. Gametes are produced in the archegonia and antheridia
B. Spores are released
C. The zygote develops within the archegonium
D. The mature sporophyte develops from the gametophyte and produces spores
E. Flagellated sperm swim towards the egg for fertilization
F. Spore germinates into the protonema

Accepted Answer

A)   a - e - c - d - b - f
B)   a - e - f - d - b - c
C)   a - b - d - c - b - f
D)   f - e - b - d - a - cE) None of the above
F) A) and B)

Question 11

Which plant structure is not found in the lycophytes?

Accepted Answer

A)   archegonia
B)   rhizome
C)   microspores
D)   microphyllsE) All of the above
F) C) and D)

Question 12

The fiddlehead is a _______ that unfolds into a ______.

Accepted Answer

A)   diploid gametophyte; fern frond
B)   diploid sporophyte; fern frond
C)   haploid sporophyte; fern frond
D)   haploid gametophyte; fern frond
E)   diploid gametophyte; moss plantF) A) and D)
G) None of the above

Question 13

In the pine life cycle,

Accepted Answer

A)   fertilization occurs shortly after pollination to produce the zygote.
B)   the gametophyte generation is dominant and the sporophyte generation is inconspicuous.
C)   seed cones are smaller than pollen cones.
D)   seed cones are located near the tips of higher branches and pollen cones develop near the tips of lower branches.
E)   the cone is the fruit that surrounds the seeds.F) A) and B)
G) C) and D)

Question 14

The dominant plants in modern times are the _________ due to their relationship with animal pollinators.

Accepted Answer

A)   gymnosperms
B)   angiosperms
C)   club mosses
D)   fernsE) B) and C)
F) A) and C)

Question 15

A microspore develops into a(n)

Accepted Answer

A)   seed.
B)   sporophyte.
C)   male gametophyte.
D)   female gametophyte.
E)   ovule.F) All of the above
G) B) and D)

Question 16

As plants adapted to the terrestrial environment, what trends occurred in the size of the sporophyte and gametophyte? How can these trends be explained?

Accepted Answer

Answers may vary. As plants adapted to t...

Question 17

Characteristics of eudicots include all EXCEPT

Accepted Answer

A)   two cotyledons.
B)   leaves with netted veins.
C)   woody or herbaceous plants.
D)   flower parts in fours and fives.
E)   vascular bundles arranged irregularly in the stem.F) A) and E)
G) None of the above

Question 18

In gymnosperms and angiosperms, seeds disperse the _________ stage of the life cycle and in mosses and ferns, spores disperse the ___________ stage of the life cycle.

Accepted Answer

A)   sporophyte; sporophyte
B)   gametophye; sporophyte
C)   sporophyte; gametophyte
D)   microsporocytes; megasporocytesE) B) and C)
F) A) and C)

Exam 23: Plant Evolution and Diversity

Identify the species that is not classified as a pteridophyte.

Correct Answer
verified

In gymnosperms and angiosperms, seeds disperse the _ stage of the life cycle and in mosses and ferns, spores disperse the ___ stage of the life cycle.

Correct Answer
verified

Which plant structure is not found in the lycophytes?

Correct Answer
verified

Which portion of the plant life cycle is haploid?

Correct Answer
verified

According to the cladogram pictured here, land plants and green algae

Correct Answer
verified

Which benefit did the lycophytes derive from their evolution of megaphylls?

Correct Answer
verified

The fiddlehead is a _ that unfolds into a .

Correct Answer
verified

The dominant plants in modern times are the _________ due to their relationship with animal pollinators.

Correct Answer
verified

Describe why the taproot of a eudicot can give them an advantage in environments that are periodically exposed to drought conditions.

Correct Answer
verified
Answers may vary. The taproot of the eud...
View Answer

As plants adapted to the terrestrial environment, what trends occurred in the size of the sporophyte and gametophyte? How can these trends be explained?

Correct Answer
verified
Answers may vary. As plants adapted to t...
View Answer

In the pine life cycle,

Correct Answer
verified

Seedless vascular plants include all of the following EXCEPT

Correct Answer
verified

Correct Answer
verified

All of the following characteristics are among the adaptations of plants to life on land EXCEPT

Correct Answer
verified

Characteristics of eudicots include all EXCEPT

Correct Answer
verified

A microspore develops into a(n)

Correct Answer
verified

In the moss life cycle, the ______ is the dominant generation.

Correct Answer
verified

Fossils of vascular plants appear earlier in the fossil record than those of algae.

Correct Answer
verified

Exam 23: Plant Evolution and Diversity

Identify the species that is not classified as a pteridophyte.

Correct AnswerverifiedShow Answer

In gymnosperms and angiosperms, seeds disperse the _________ stage of the life cycle and in mosses and ferns, spores disperse the ___________ stage of the life cycle.

Correct AnswerverifiedShow Answer

Which plant structure is not found in the lycophytes?

Correct AnswerverifiedShow Answer

Which portion of the plant life cycle is haploid?

Correct AnswerverifiedShow Answer

According to the cladogram pictured here, land plants and green algae

Correct AnswerverifiedShow Answer

Which benefit did the lycophytes derive from their evolution of megaphylls?

Correct AnswerverifiedShow Answer

The fiddlehead is a _______ that unfolds into a ______.

Correct AnswerverifiedShow Answer

The dominant plants in modern times are the _________ due to their relationship with animal pollinators.

Correct AnswerverifiedShow Answer

Describe why the taproot of a eudicot can give them an advantage in environments that are periodically exposed to drought conditions.

Correct AnswerverifiedAnswers may vary. The taproot of the eud...View AnswerShow Answer

As plants adapted to the terrestrial environment, what trends occurred in the size of the sporophyte and gametophyte? How can these trends be explained?

Correct AnswerverifiedAnswers may vary. As plants adapted to t...View AnswerShow Answer

In the pine life cycle,

Correct AnswerverifiedShow Answer

Seedless vascular plants include all of the following EXCEPT

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

All of the following characteristics are among the adaptations of plants to life on land EXCEPT

Correct AnswerverifiedShow Answer

Characteristics of eudicots include all EXCEPT

Correct AnswerverifiedShow Answer

A microspore develops into a(n)

Correct AnswerverifiedShow Answer

In the moss life cycle, the ______ is the dominant generation.

Correct AnswerverifiedShow Answer

Fossils of vascular plants appear earlier in the fossil record than those of algae.

Correct AnswerverifiedShow Answer

Correct Answer
verified

In gymnosperms and angiosperms, seeds disperse the _ stage of the life cycle and in mosses and ferns, spores disperse the ___ stage of the life cycle.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The fiddlehead is a _ that unfolds into a .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Answers may vary. The taproot of the eud...
View Answer

Correct Answer
verified
Answers may vary. As plants adapted to t...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified