Question 1

Sporangia can be identified as part of the fossil Rhynia because meiosis produces

Accepted Answer

A)  two haploid cells. 
B)  four haploid cells. 
C)  two haploid cells, although only one is functional. 
D)  four haploid cells, although only one is functional. 
E)  two diploid cells, although they remain attached. 
A)  two haploid cells. 
B)  four haploid cells. 
C)  two haploid cells, although only one is functional. 
D)  four haploid cells, although only one is functional. 
E)  two diploid cells, although they remain attached.

Question 2

How can nonvascular plants survive without true leaves, stems, and roots?

Accepted Answer

A)  They are small enough to allow minerals to diffuse throughout their bodies. 
B)  They live in moist habitats. 
C)  They have a thick cuticle to prevent water loss. 
D)  Both a and b 
E)  Both b and c 
A)  They are small enough to allow minerals to diffuse throughout their bodies. 
B)  They live in moist habitats. 
C)  They have a thick cuticle to prevent water loss. 
D)  Both a and b 
E)  Both b and c

Question 3

The nonvascular plant clades (including moss) require water for fertilization during reproduction because

Accepted Answer

A)  they have no vascular system to transport water to the developing sporophyte. 
B)  the eggs are fertilized by a flagellated sperm that swims to the egg. 
C)  the neck of the archegonium has to degrade to allow the sperm to enter. 
D)  Both a and b 
E)  Both b and c 
A)  they have no vascular system to transport water to the developing sporophyte. 
B)  the eggs are fertilized by a flagellated sperm that swims to the egg. 
C)  the neck of the archegonium has to degrade to allow the sperm to enter. 
D)  Both a and b 
E)  Both b and c

Question 4

The vascular system in land plants consists of specialized tissues. The _______ transports water and minerals from soil to aerial parts and contains the structural substance called _______.

Accepted Answer

The answer of The vascular system in land plants consists...

Question 5

The megaphyll found in ferns and seed plants is thought to have evolved

Accepted Answer

A)  from sterile sporangia. 
B)  by the process of meiosis. 
C)  by the process of heterospory. 
D)  as a result of overtopping. 
E)  spontaneously. 
A)  from sterile sporangia. 
B)  by the process of meiosis. 
C)  by the process of heterospory. 
D)  as a result of overtopping. 
E)  spontaneously.

Question 6

Land plants that have an internal transport system are called _______ or vascular plants.

Accepted Answer

The answer of Land plants that have an internal transport...

Question 7

Use the following to answer questions:
Match the correct group from the list below with the descriptions that follow.

-Sporophytes exhibit indeterminate growth and develop no stalk; a single, large chloroplast in each cell.

Accepted Answer

A)  Liverworts 
B)  Hornworts 
C)  Mosses 
A)  Liverworts 
B)  Hornworts 
C)  Mosses

Question 8

Discuss the challenges of terrestrial life that land plants have addressed in order to survive.

Accepted Answer

Terrestrial life poses problems of suppo

Question 9

Which of the following characteristics was not necessary for plants to colonize land?

Accepted Answer

A)  Vascular tissue for moving water throughout the plant 
B)  A waxy cuticle to reduce water loss 
C)  The ability to screen ultraviolet radiation 
D)  The development of thick spore walls to protect the spores from dehydration 
E)  Development of embryos protected inside other tissues 
A)  Vascular tissue for moving water throughout the plant 
B)  A waxy cuticle to reduce water loss 
C)  The ability to screen ultraviolet radiation 
D)  The development of thick spore walls to protect the spores from dehydration 
E)  Development of embryos protected inside other tissues

Question 10

Which of the following statements about the hornworts is true?

Accepted Answer

A)  They possess stomata. 
B)  Their cells contain many chloroplasts. 
C)  Their sporophytes exhibit determinate growth. 
D)  They have tracheids. 
E)  They evolved the precursor to flowers. 
A)  They possess stomata. 
B)  Their cells contain many chloroplasts. 
C)  Their sporophytes exhibit determinate growth. 
D)  They have tracheids. 
E)  They evolved the precursor to flowers.

Question 11

Nonvascular plants

Accepted Answer

A)  are usually a few centimeters tall. 
B)  often grow in moist areas. 
C)  may be in a mutualistic association with a fungus. 
D)  have a cuticle. 
E)  All of the above 
A)  are usually a few centimeters tall. 
B)  often grow in moist areas. 
C)  may be in a mutualistic association with a fungus. 
D)  have a cuticle. 
E)  All of the above

Question 12

Which of the following groups lacks stomata?

Accepted Answer

A)  Mosses 
B)  Liverworts 
C)  Hornworts 
D)  Club mosses 
E)  Horsetails 
A)  Mosses 
B)  Liverworts 
C)  Hornworts 
D)  Club mosses 
E)  Horsetails

Question 13

Which of the following statements regarding vascular plants is false?

Accepted Answer

A)  There is an incomplete fossil record for vascular plants. 
B)  It is believed that vascular plants evolved from a singular evolutionary event. 
C)  The tracheid is the principal water-conducting element of the xylem in all vascular plants except the angiosperms. 
D)  The evolution of an effective cuticle and protective layers for the gametangia (archegonia and antheridia) contributed to making the first vascular plants successful. 
E)  The earliest vascular plants lacked roots and leaves. 
A)  There is an incomplete fossil record for vascular plants. 
B)  It is believed that vascular plants evolved from a singular evolutionary event. 
C)  The tracheid is the principal water-conducting element of the xylem in all vascular plants except the angiosperms. 
D)  The evolution of an effective cuticle and protective layers for the gametangia (archegonia and antheridia) contributed to making the first vascular plants successful. 
E)  The earliest vascular plants lacked roots and leaves.

Question 14

The plants classified as embryophytes include which of the following?

Accepted Answer

A)  Red algae 
B)  Chlorophytes 
C)  Charales 
D)  Land plants 
E)  Coleochaetales 
A)  Red algae 
B)  Chlorophytes 
C)  Charales 
D)  Land plants 
E)  Coleochaetales

Question 15

The leptosporangiate ferns

Accepted Answer

A)  are not a monophyletic group. 
B)  have sporangia with walls more than one cell thick. 
C)  constitute a minority of all ferns. 
D)  are monilophytes. 
E)  produce seeds. 
A)  are not a monophyletic group. 
B)  have sporangia with walls more than one cell thick. 
C)  constitute a minority of all ferns. 
D)  are monilophytes. 
E)  produce seeds.

Question 16

Which living group diverged earlier than all other living vascular plants?

Accepted Answer

A)  Rhyniophytes 
B)  Monilophytes 
C)  Lycophytes 
D)  Gymnosperms 
E)  Angiosperms 
A)  Rhyniophytes 
B)  Monilophytes 
C)  Lycophytes 
D)  Gymnosperms 
E)  Angiosperms

Question 17

Explain why the largest mosses are less than a meter tall.

Accepted Answer

Mosses have very rudimentary water trans

Question 18

Which of the following would not have been a feature of the plants whose fossilized remains were found by Kidston and Lang?

Accepted Answer

A)  Roots 
B)  Xylem 
C)  Leaves 
D)  Dichotomous branching 
E)  Both a and c 
A)  Roots 
B)  Xylem 
C)  Leaves 
D)  Dichotomous branching 
E)  Both a and c

Question 19

Which of the following is not one of the evolutionary adaptations to land shared by all land plants?

Accepted Answer

A)  Waxy protective coverings 
B)  Support against gravity 
C)  A means of taking up water from the soil 
D)  Protective structures for the new sporophyte 
E)  Water transport by xylem 
A)  Waxy protective coverings 
B)  Support against gravity 
C)  A means of taking up water from the soil 
D)  Protective structures for the new sporophyte 
E)  Water transport by xylem

Question 20

In heterosporous land plants, _______ produce _______.

Accepted Answer

A)  microgametophytes; eggs 
B)  microgametophytes; sperm 
C)  microgametophytes; eggs and sperm 
D)  megagametophytes; sperm 
E)  megagametophytes; eggs and sperm 
A)  microgametophytes; eggs 
B)  microgametophytes; sperm 
C)  microgametophytes; eggs and sperm 
D)  megagametophytes; sperm 
E)  megagametophytes; eggs and sperm

Exam 28: Plants Without Seeds: From Water to Land

Sporangia can be identified as part of the fossil Rhynia because meiosis produces

How can nonvascular plants survive without true leaves, stems, and roots?

The nonvascular plant clades (including moss) require water for fertilization during reproduction because

The vascular system in land plants consists of specialized tissues. The _______ transports water and minerals from soil to aerial parts and contains the structural substance called _______.

The megaphyll found in ferns and seed plants is thought to have evolved

Land plants that have an internal transport system are called _______ or vascular plants.

Use the following to answer questions: Match the correct group from the list below with the descriptions that follow. -Sporophytes exhibit indeterminate growth and develop no stalk; a single, large chloroplast in each cell.

Discuss the challenges of terrestrial life that land plants have addressed in order to survive.

Which of the following characteristics was not necessary for plants to colonize land?

Which of the following statements about the hornworts is true?

Nonvascular plants

Which of the following groups lacks stomata?

Which of the following statements regarding vascular plants is false?

The plants classified as embryophytes include which of the following?

The leptosporangiate ferns

Which living group diverged earlier than all other living vascular plants?

Explain why the largest mosses are less than a meter tall.

Which of the following would not have been a feature of the plants whose fossilized remains were found by Kidston and Lang?

Which of the following is not one of the evolutionary adaptations to land shared by all land plants?

In heterosporous land plants, _______ produce _______.

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Filters

The vascular system in land plants consists of specialized tissues. The _ transports water and minerals from soil to aerial parts and contains the structural substance called _.

In heterosporous land plants, _ produce _.