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______ is/are a waxy coating that minimizes water loss from leaves of the plant.


A) Stomata
B) Roots
C) Xylem
D) Phloem
E) Cuticle

F) B) and E)
G) A) and E)

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The cones of gymnosperms play the same role as ______ in angiosperms.


A) flowers
B) seeds
C) leaves
D) fruit
E) roots

F) B) and E)
G) A) and B)

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What advantage do angiosperms have over gymnosperms?


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) B) and D)
G) B) and C)

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In alternation of generations,a diploid sporophyte goes through meiosis to form ____ spores.


A) diploid
B) tetraploid
C) haploid
D) uniploid
E) no spores (This occurs in mitosis,not meiosis. )

F) A) and E)
G) D) and E)

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The parts of the plant that allow for gas exchange are the


A) roots.
B) stomata.
C) xylem.
D) phloem.
E) cuticlE.

F) A) and B)
G) A) and E)

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The four phyla of the gymnosperms are


A) monocotyledons,dicotyledons,conifers,and cycads.
B) horsetails,true ferns,whisk ferns,and club mosses.
C) conifers,monocotyledons,dicotyledons,and cycads.
D) mosses,liverworts,club mosses,and hornworts.
E) conifers,cycads,ginkgos,and gnetophytes.

F) B) and E)
G) A) and B)

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Which of the following is not a member of the gymnosperms?


A) conifers
B) ferns
C) gnetophytes
D) cycads
E) ginkgos

F) B) and D)
G) A) and E)

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


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

F) All of the above
G) None of the above

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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?


A) stomata
B) vascular tissues
C) cuticle
D) pollen
E) lignin

F) A) and E)
G) B) and E)

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In angiosperms,pollen must complete mitosis to produce gametes.Therefore pollen are which of the following?


A) sporophytes
B) eggs
C) seeds
D) sperm
E) gametophytes

F) D) and E)
G) C) and E)

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Molecular evidence suggests that plants and green algae do not descend from a common ancestor.

A) True
B) False

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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?


A) mammals
B) arthropods (insects)
C) birds
D) amphibians
E) reptiles

F) A) and B)
G) C) and D)

Correct Answer

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Stomata allow plants to exchange gases with the atmosphere.

A) True
B) False

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Which of the following was the most recent to evolve?


A) angiosperms
B) gymnosperms
C) seedless vascular plants
D) bryophytes
E) green algae

F) B) and D)
G) A) and D)

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


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) None of the above
G) A) and E)

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Fossil evidence places the origin of angiosperms in the early Cretaceous period,at least 130 million years ago.By 100 million years ago,all of today's major lineages of angiosperms had evolved.Angiosperms make up 95% of all modern plant species.Which of the following may help explain the rapid success of angiosperms?


A) use of the wind to disperse pollen and seeds
B) use of flowers and fruits to protect and disperse both pollen and seeds
C) use of the wind to disperse spores
D) use of water to disperse pollen and seeds
E) All answers are correct.

F) A) and B)
G) C) and D)

Correct Answer

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How have plants transformed the world?


A) Food source for many animals,fungi,and even some prokaryotes and protists
B) Habitat for breeding,rearing young,and escaping predators
C) Photosynthesis provides oxygen for aerobic respiration to make ATP
D) Fibers for clothing and paper
E) All answers are correct.

F) C) and D)
G) A) and C)

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The two groups of angiosperms are


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

F) A) and B)
G) All of the above

Correct Answer

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In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",why did the scientists choose to look specifically for vertebrate mitochondrial genes in their core samples?


A) Only vertebrates eat plants.
B) Plants and animals have different mitochondrial genes.
C) Animal cells do not have chloroplasts.
D) Animal cells do not have nucleus.
E) Animals were present in Beringia before plants.

F) All of the above
G) B) and C)

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