Question 1

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," which of the following groups of animals was most likely to be present given the abundance of herbs and grasses and lack of vertebrate mitochondrial DNA in samples from Siberia 300-400,000 years ago?

Accepted Answer

A)  mammals
B)  arthropods (insects) 
C)  birds
D)  amphibians
E)  reptilesF) A) and E)
G) C) and D)

Question 2

The fruits of plants primarily function in

Accepted Answer

A)  providing food for animals.
B)  seed protection.
C)  both protecting and dispersing seeds.
D)  seed dispersal.
E)  both feeding animals and protecting seeds.F) A) and C)
G) A) and E) C

Question 3

Seedless vascular plants can ______ without water,but cannot ______ without water.

Accepted Answer

A)  reproduce asexually;reproduce sexually
B)  reproduce sexually;reproduce asexually
C)  grow;reproduce
D)  utilize phloem;utilize xylem
E)  utilize xylem;utilize phloemF) All of the above
G) A) and E)

Question 4

Cycads are

Accepted Answer

A)  trees that produce flowers.
B)  bryophytes.
C)  trees that produce large cones.
D)  algae.
E)  ferns.F) B) and E)
G) A) and E)

Question 5

Gymnosperms are less successful than ferns because ferns make seeds.

Accepted Answer

A) True 
 B)False

Question 6

Bryophytes lack vascular tissue and lignin and therefore cannot

Accepted Answer

A)  sexually reproduce.
B)  grow tall.
C)  asexually reproduce.
D)  produce a gametophyte stage.
E)  produce a sporophyte stagE.F) B) and E)
G) C) and D)

Question 7

Evidence that algae are the closest relatives to plants is that they both

Accepted Answer

A)  have chloroplasts.
B)  contain chlorophyll a.
C)  have cellulose-rich cell walls.
D)  use starch as a nutrient reserve.
E)  All answers are correct.F) A) and B)
G) C) and E)

Question 8

What is the purpose of flowers?

Accepted Answer

A)  to attract pollinators
B)  to support gamete production
C)  to capture wind-blown pollen
D)  to protect reproductive structures
E)  All answers are correct.F) A) and C)
G) B) and D)

Question 9

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost?

Accepted Answer

A)  Most plants and animals evolved in SiberiA.
B)  It is easier to take solid core samples.
C)  The enzymes that make DNA are still active in the cells.
D)  The freezing temperatures preserve the DNA.
E)  Areas with permafrost are older than other parts of the world,allowing scientists to collect samples back 1.5 to 2 million years.F) A) and E)
G) A) and B)

Question 10

The parts of the plant that absorb water and minerals are the

Accepted Answer

A)  stomatA.
B)  roots.
C)  flowers.
D)  pollen.
E)  cuticlE.F) A) and B)
G) C) and D)

Question 11

In alternation of generations,a haploid gametophyte goes through mitosis to form a ____ gamete.

Accepted Answer

A)  haploid
B)  diploid
C)  tetraploid
D)  uniploid
E)  no gametes are formed (this occurs in meiosis,not mitosis) .F) B) and C)
G) C) and D) A

Question 12

In flowering plants,the gametophyte is ______ the sporophyte.

Accepted Answer

A)  larger than
B)  the same size as
C)  located on a separate plant from
D)  much smaller than
E)  absent and the entire plant is composed ofF) A) and B)
G) A) and E)

Question 13

What part of plant cells contains chlorophyll a and carries out photosynthesis?

Accepted Answer

A)  mitochondrion
B)  chloroplast
C)  central vacuole
D)  cell membrane
E)  Golgi bodyF) B) and D)
G) C) and D) B

Question 14

Which group of plants lack true leaves and roots?

Accepted Answer

A)  liverworts,hornworts,and mosses
B)  ferns,club mosses,horsetails,and whisk ferns
C)  ginkgo,cycads,conifers,and gnetophytes
D)  monocots and eudicots
E)  All plants lack true leaves and roots.F) A) and D)
G) B) and D)

Question 15

The two groups of angiosperms are

Accepted Answer

A)  mosses and club mosses.
B)  ginkgos and cycads.
C)  monocots and eudicots.
D)  horsetails and ferns.
E)  conifers and gnetophytes.F) B) and E)
G) B) and D)

Question 16

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.Light,water,minerals,and dissolved gases surround the whole body of a submerged green alga,and the buoyancy of water provides physical support.What part did plants evolve to absorb gases without drying out on dry land?

Accepted Answer

A)  pollen
B)  stomata
C)  vascular tissues
D)  cuticle
E)  ligninF) A) and B)
G) A) and C)

Question 17

______ provide(s) a waxy coating that minimizes water loss from leaves of the plant.

Accepted Answer

A)  Stomata
B)  Roots
C)  Xylem
D)  Phloem
E)  CuticleF) All of the above
G) B) and C)

Question 18

Flowers and fruits are unique to

Accepted Answer

A)  angiosperms.
B)  bryophytes.
C)  gymnosperms.
D)  conifers.
E)  cycads.F) B) and C)
G) C) and D)

Question 19

You are reading about a garden designer who has invented something called the "megagarden space" in which a few specimens are planted in a disturbed area and allowed to make a garden by self-propagation.Why might this designer choose to work with angiosperms rather than gymnosperms?

Accepted Answer

A)  Angiosperms can produce flowers and fruits to aid in seed dispersal.
B)  Angiosperms produce pollen and do not require water to reproduce.
C)  Angiosperms have alternation of generations.
D)  Angiosperms have a vascular system,which allows them to grow taller.
E)  Angiosperms can produce spores,which are more stable than seeds from gymnosperms.F) A) and D)
G) A) and E)

Question 20

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.In sexual reproduction,an alga releases gametes into the water and fertilization occurs.What reproductive adaptation did plants evolve on dry land?

Accepted Answer

A)  stomata
B)  vascular tissues
C)  cuticle
D)  pollen
E)  ligninF) A) and D)
G) All of the above

Exam 16: Evolution and Diversity of Plants

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," which of the following groups of animals was most likely to be present given the abundance of herbs and grasses and lack of vertebrate mitochondrial DNA in samples from Siberia 300-400,000 years ago?

Correct Answer
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The fruits of plants primarily function in

Correct Answer
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C

Seedless vascular plants can without water,but cannot without water.

Correct Answer
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Cycads are

Correct Answer
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Gymnosperms are less successful than ferns because ferns make seeds.

Correct Answer
verified

Bryophytes lack vascular tissue and lignin and therefore cannot

Correct Answer
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Evidence that algae are the closest relatives to plants is that they both

Correct Answer
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What is the purpose of flowers?

Correct Answer
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In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost?

Correct Answer
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The parts of the plant that absorb water and minerals are the

Correct Answer
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In alternation of generations,a haploid gametophyte goes through mitosis to form a ____ gamete.

Correct Answer
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A

In flowering plants,the gametophyte is ______ the sporophyte.

Correct Answer
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What part of plant cells contains chlorophyll a and carries out photosynthesis?

Correct Answer
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B

Which group of plants lack true leaves and roots?

Correct Answer
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The two groups of angiosperms are

Correct Answer
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Correct Answer
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______ provide(s) a waxy coating that minimizes water loss from leaves of the plant.

Correct Answer
verified

Flowers and fruits are unique to

Correct Answer
verified

You are reading about a garden designer who has invented something called the "megagarden space" in which a few specimens are planted in a disturbed area and allowed to make a garden by self-propagation.Why might this designer choose to work with angiosperms rather than gymnosperms?

Correct Answer
verified

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.In sexual reproduction,an alga releases gametes into the water and fertilization occurs.What reproductive adaptation did plants evolve on dry land?

Correct Answer
verified

Exam 16: Evolution and Diversity of Plants

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," which of the following groups of animals was most likely to be present given the abundance of herbs and grasses and lack of vertebrate mitochondrial DNA in samples from Siberia 300-400,000 years ago?

Correct AnswerverifiedShow Answer

The fruits of plants primarily function in

Correct AnswerverifiedC

Seedless vascular plants can ______ without water,but cannot ______ without water.

Correct AnswerverifiedShow Answer

Cycads are

Correct AnswerverifiedShow Answer

Gymnosperms are less successful than ferns because ferns make seeds.

Correct AnswerverifiedShow Answer

Bryophytes lack vascular tissue and lignin and therefore cannot

Correct AnswerverifiedShow Answer

Evidence that algae are the closest relatives to plants is that they both

Correct AnswerverifiedShow Answer

What is the purpose of flowers?

Correct AnswerverifiedShow Answer

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost?

Correct AnswerverifiedShow Answer

The parts of the plant that absorb water and minerals are the

Correct AnswerverifiedShow Answer

In alternation of generations,a haploid gametophyte goes through mitosis to form a ____ gamete.

Correct AnswerverifiedA

In flowering plants,the gametophyte is ______ the sporophyte.

Correct AnswerverifiedShow Answer

What part of plant cells contains chlorophyll a and carries out photosynthesis?

Correct AnswerverifiedB

Which group of plants lack true leaves and roots?

Correct AnswerverifiedShow Answer

The two groups of angiosperms are

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

______ provide(s) a waxy coating that minimizes water loss from leaves of the plant.

Correct AnswerverifiedShow Answer

Flowers and fruits are unique to

Correct AnswerverifiedShow Answer

You are reading about a garden designer who has invented something called the "megagarden space" in which a few specimens are planted in a disturbed area and allowed to make a garden by self-propagation.Why might this designer choose to work with angiosperms rather than gymnosperms?

Correct AnswerverifiedShow Answer

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.In sexual reproduction,an alga releases gametes into the water and fertilization occurs.What reproductive adaptation did plants evolve on dry land?

Correct AnswerverifiedShow Answer

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C

Seedless vascular plants can without water,but cannot without water.

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A

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B

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