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30 Cards in this Set
- Front
- Back
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What is pollen?
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a male gametophyte
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____ is a chemical that supports the physical structure of terestrial plants.
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Lignin
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Which of these relates to symbiosis?
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a human getting diarrhea when an antibiotic kills off the prokaryotes that reside in the gut
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Fungi are ____.
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heterotrophs
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The edible portion of a(n) ____ is NOT a ripened ovary.
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radish
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Mutualistic associations of plant roots and fungi are called ___.
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mycorrhizae
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Which of these adaptations to a terrestrial existence evolved most recently?
a) stomata b) gametangia c) seeds d) cuticle e) vascular tissue |
seeds
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Madagascar is an island in the ____ Ocean.
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Indian
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Fungal mycelia are composed of _____.
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hyphae
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At current rates of destruction, all of Earth's tropical forests will be gone within _____ years.
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25
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What is the function of fruit?
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It is a mechanism for the dispersal of seeds.
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In general, pets improve the health of their human companions. What term descirbes the relationship between pets and humans?
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mutualism
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Nearly all food plants are classified as ____.
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angiosperms
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Nutritionally, all fungi are ___.
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heterotrophs
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The pollen grain is to gymnosperms as the ___ is to angiosperms.
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pollen grain
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Gametophytes are ____; sporophytes are ____.
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haploid... diploid
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The parts of a flower include all of the following EXCEPT ____.
a) petals b) stamens c) cones d) sepals e) carpels |
cones
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Gametophytes reproduce ____.
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sexually
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Which of the following correctly illustrates the sequence of the origin of modern groups of plants?
a) bryophytes, gerns, angiosperms, gymnosperms b) ferns, gymnosperms, bryophytes, angiosperms c) ferns, gymnosperms, angiosperms, bryophytes d) gymnosperms, ferns, bryophytes, angiosperms e) bryophytes, ferns, gymnosperms, angiosperms |
e) bryophytes, ferns, gymnosperms, angiosperms
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During the winter, what is an advantage of having needle-shaped leaves?
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Less snow and ice will accumulate on such a leaf.
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Your friend with plant allergies sneezes and then says : "I sneezed because ____ went up my nose."
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male gametophytes
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Why are bryophytes considered incom pletely adapted to the terrestrial environment?
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Their sperm are flagellated.
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Biodiversity hot spots are recognized on the basis of ____.
a) the number of species present b) the number of endemic species c) the number of species present and endemic species d) the degree to which the species are threatened with extinction e) all of the above |
all of the above
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Which of the following is NOT a plant adaptation to a terrestrial existence?
a) roots b) gametangia c) vascular tissue d) cuticle e) photosynthesis |
photosynthesis
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What global climatic change gave gymnosperms an advantage over ferns?
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the climate becoming cooler and drier
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In angiosperms, the male gametophyte develops within ___.
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anthers
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In angiosperms, what structures house female gametophytes?
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ovules
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The ___ helps plants retain water.
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cuticle
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Like plants, fungi have ___; however, in plants it is com posed of ___, wheras in fungi it is com posed of ___.
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cell walls...cellulose... chitin
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Which of the following is NOT a com ponent of the female structure of a flowering plant?
a) stigma b) carpel c) stamen d) style e) ovary |
stamen
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