A) haploid gametophyte
B) diploid gametophyte
C) haploid sporophyte
D) diploid sporophyte
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Essay
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View Answer
Multiple Choice
A) they are now the most abundant plant group on land.
B) they can be found from the Antarctic to the tropics.
C) they produce peat that can be used as fuel.
D) they erode rocks to produce soil.
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Multiple Choice
A) antheridium.
B) rhizoid.
C) archegonium.
D) protonema.
E) prothallus.
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Multiple Choice
A) Gymnosperm
B) Bryophyte
C) Angiosperm
D) Gingko
E) Rhyniophyte
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Multiple Choice
A) Ginkgoes
B) Conifers
C) Cycads
D) Gnetophytes
E) Lycophytes
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Multiple Choice
A) gymnosperms
B) angiosperms
C) club mosses
D) ferns
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Essay
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Multiple Choice
A) there was a greater availability of light for photosynthesis.
B) there was a greater concentration of carbon dioxide available in the atmosphere.
C) there was an increased threat of desiccation of unprotected cells.
D) there was an increased threat from predation by animals.
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Multiple Choice
A) vascular tissue.
B) fruit production.
C) the production of seeds.
D) protection of the embryo.
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Multiple Choice
A) Psilotum-Pteridophytes.
B) horsetails-Sphenophyta.
C) Sphagnum-Bryophyta.
D) whisk ferns-Psilotophyta.
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Multiple Choice
A) Eggs and sperm released from the underside of the fern frond united on the peat plug and grew into sporophyte prothalli.
B) Spores released from the underside of the frond germinated on the peat plug and formed the gametophyte called a prothallus.
C) Spores released from the underside of the fern frond germinated on the peat plug and formed sporophyte rhizomes that give rise to many indusium.
D) Gametes released from the underside of the fern frond germinated on the peat plug and formed a sporophyte structure called an archegonium.
E) Zygotes released from the bottom of the fern frond germinated on the peat plug and grew into gametophyte fiddleheads.
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Multiple Choice
A) a dominant sporophyte with vascular tissue
B) a cuticle to prevent water loss from exposed parts of the plant
C) the evolution of photosynthesis in order to supply the energy necessary to live on land
D) stomata to regulate gas exchange with the atmosphere
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Multiple Choice
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) are in the same clade but form a polyphyletic group.
E) are in different clades but form a monophyletic group.
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Multiple Choice
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.
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Multiple Choice
A) sporophyte; sporophyte
B) gametophyte; sporophyte
C) sporophyte; gametophyte
D) microsporocytes; megasporocytes
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Multiple Choice
A) fern
B) angiosperm
C) gnetophyte
D) cycad
E) conifer
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Multiple Choice
A) Gnetophyte
B) Lycophyte
C) Angiosperm
D) Liverwort
E) Fern
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True/False
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Multiple Choice
A) haploid gametophyte
B) diploid gametophyte
C) haploid sporophyte
D) diploid sporophyte
Correct Answer
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