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Question
All of the following are goals of conservation biology EXCEPTa. to investigate the decline in genetic diversity.
b. to survey the range of biodiversity.
c. to determine if loss of any specific species would be detrimental to mankind.
d. to identify ways to maintain and use biodiversity to help man.
e. all of these are goals of conservation biology.
Answer
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Related questions
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Choose the one most appropriate response for each.
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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
f. secretes extracellular products such as sweat, mucus, tears, and saliva
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a. stratified epithelium
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a. integumentary
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a. A
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a. auxins
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This hormone promotes bud and seed dormancy.
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Circadian
Choose the one most appropriate answer for each. Some letters may not be used.
a. flower each successive year or after several years of vegetative growth
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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c. has receptor sites for a particular hormonal message
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Choose the one most appropriate answer for each. Some letters may not be used.
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a. auxin
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a. the biological clock.
b. vernalization.
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d. biennial life cycle.
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b. red
c. yellow
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b. gibberellin.
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d. abscisic acid.
e. ethylene.
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a. auxin.
b. gibberellin.
c. cytokinin.
d. abscisic acid.
e. ethylene.
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The polar transport of auxin in a plant
a. creates an uneven distribution of the hormone.
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.
d. activates enzymes that loosen cross-links between cellulose microfibrils.
e. does all of these.
Q:
Auxin concentration gradients
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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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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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b. cellulose
c. peptidoglycan
d. exopolysaccharides
e. none of these
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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.