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Question
FernsChoose the most appropriate response.
a. have rhizoids, cuticle, and protected embryo sporophyte
b. one cotyledon
c. non-seed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori
d. Lycopodium; cone-bearing sporophyte; free-living gametophyte
e. only one species left
f. cypress and redwood; heterosporous; mostly evergreen
g. confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
h. two cotyledons
i. Equisetum; homosporous; rhizomes present; aerial stems jointed; scouring rushes
j. have coevolved with pollinating vectors
Answer
This answer is hidden. It contains 1 characters.
Related questions
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b. contains collagen and elastin; acts as a packing material that supports internal organs
c. receives, conducts, and initiates signals in response to environmental changes
d. stores fat
e. offers resistance to mechanical injury and loss of internal fluids; also a barrier against microorganisms
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a. stratified epithelium
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a. stomach
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Circadian
Choose the one most appropriate answer for each. Some letters may not be used.
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b. promotes cell elongation in stems
c. has receptor sites for a particular hormonal message
d. a hollow, cylindrical organ that protects young leaves growing within it
e. blue-green pigment that absorbs light energy
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Choose the one most appropriate answer for each. Some letters may not be used.
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c. has receptor sites for a particular hormonal message
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b. gibberellin.
c. cytokinin.
d. abscisic acid.
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b. gibberellin.
c. cytokinin.
d. abscisic acid.
e. ethylene.
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b. uses active membrane transporters to move auxin in and out of cells.
c. uses membrane pumps to move hydrogen ions out of the cytoplasm into the primary cell wall.
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b. promote the transcription of an enzyme that breaks down cytokinin.
c. allow formation of plant parts in expected patterns.
d. help young cells elongate so that shoots and roots lengthen.
e. are described by all of these EXCEPT "appear once germination begins."
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Root formation in stem cuttings can be improved by the application of
a. synthetic auxins.
b. abscisic acid.
c. salicylic acid.
d. citric acid.
e. nitric acid.
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a. produce growth hormones.
b. use aerobic respiration.
c. move when conditions around it deteriorate.
d. produce its own lipids and proteins.
e. respond to dwindling supplies of nutrients and water.
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a. sporopollenin
b. cellulose
c. peptidoglycan
d. exopolysaccharides
e. none of these
Q:
Sperm nuclei are indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Q:
Meiosis is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.