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Fungal diseases common in _ include and _.


A) animals ...smuts ...chytrids
B) plants ...smuts ...rusts
C) plants ...ringworm ...coccidioidomycosis
D) humans ...rusts ...vaginal yeast

Correct Answer

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The ancestors of land plants were probably that lived in .


A) cyanobacteria ...moist soil crust communities
B) green algae similar to charophytes ...the open ocean
C) green algae similar to charophytes ...coastal marshes or lake fringes
D) cyanobacteria ...coastal marshes or lake fringes

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Which structure is found in angiosperms but not gymnosperms?


A) spores
B) seeds
C) ovule
D) fruit

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Which of the following represents the male gametophyte of a conifer?


A) tree
B) sperm
C) pollen grain
D) pollen cone

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Gas exchange in most land plants occurs through structures called


A) spiracles.
B) stomata.
C) cuticles.
D) gas pores.

Correct Answer

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You enjoy learning about history by traveling throughout North America studying gravestones.You notice that gravestones from 1900 and earlier usually host many types of lichens.But in one cemetery,lichens are entirely absent,even from old gravestones.Given what is known about lichens,the cemetery without lichens probably


A) is close to a source of air pollution.
B) gets a great deal of rain,which favors the growth of competing bacteria.
C) has an unusually dry climate.
D) is subject to extremely cold winter temperatures.

Correct Answer

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In a moss,most of the plants that we see are ,while in a fern the most dominant stage is the .


A) gametophytes ...gametophyte
B) sporophytes ...gametophyte
C) sporophytes ...sporophyte
D) gametophytes ...sporophyte

Correct Answer

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Mosses belong to the group of plants known as the


A) bryophytes.
B) angiosperms.
C) vascular plants.
D) gymnosperms.

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Plants dependent on nocturnal pollinators typically have flowers that


A) are large,light- colored,and highly scented.
B) are located close to the ground and smell of rotting flesh.
C) are small.
D) absorb UV light.

Correct Answer

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The ripened ovary of a flower,which is adapted to disperse seeds,is called a(n)


A) fruit.
B) casing.
C) sporangium.
D) ovule.

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Which of the following statements regarding ferns is true?


A) Ferns produce pollen.
B) Ferns do not have lignified cell walls.
C) Ferns have well- developed vascular tissue,roots,and stems.
D) Ferns produce seeds.

Correct Answer

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Corn,peppers,tomatoes,and cucumbers all contain seeds and are derived from the ovary of a flowering plant.Therefore,in botanical terms,they are _.


A) fruits.
B) seeds.
C) vegetables.
D) sporophytes.

Correct Answer

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The main causes for the loss of plant biodiversity include


A) plant diseases and clearcutting of forests to create farmland.
B) herbivory,logging,and air pollution.
C) plant diseases and herbivory.
D) clearcutting of forests to create farmland and logging.

Correct Answer

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Most familiar types of mushrooms,along with puffballs and shelf fungi,are


A) basidiomycetes (club fungi) .
B) zygomycetes (zygote fungi) .
C) ascomycetes (sac fungi) .
D) chytrids.

Correct Answer

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The incomplete decay of dead plants during the Carboniferous period led to


A) the formation of coal.
B) the formation of tropical swamps.
C) the thinning of the ozone layer.
D) global warming.

Correct Answer

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Corn,rice,wheat,fleshy fruits such as apples and berries,and many spices are all produced by


A) ferns.
B) gymnosperms.
C) seedless plants.
D) angiosperms.

Correct Answer

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Which of the following characteristics tends to limit bryophytes and seedless vascular plants to habitats that are relatively moist?


A) presence of flagellated sperm
B) presence of lignified vascular tissues
C) presence of free- living,independent zygotes and early embryos
D) absence of cuticle

Correct Answer

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The angiosperm plant we see represents the generation,and the flower produces .


A) gametophyte ...sporophytes
B) gametophyte ...bryophytes
C) sporophyte ...bryophytes
D) sporophyte ...gametophytes

Correct Answer

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During the Carboniferous period,photosynthesis in immense swamp forests removed from the atmosphere,which produced a drier,cooler global climate and promoted the success of .


A) oxygen ...ferns
B) carbon dioxide ...seed plants
C) carbon dioxide ...lycophytes
D) oxygen ...seed plants

Correct Answer

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Fungi contact and absorb food through the ,a branching network of .


A) hyphae ...mycelia
B) mycorrhiza ...mushrooms
C) mushroom ...hyphae
D) mycelium ...hyphae

Correct Answer

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