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Question
Smaller teeth and jaws, presence of a chin, thin facial bones, and rounder, higher skull would be a partial description ofa. Australopithecus robustus.
b. Australopithecus boisei.
c. Homo habilis (early Homo).
d. Homo erectus.
e. Homo sapiens.
Answer
This answer is hidden. It contains 1 characters.
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
g. fluid ground substance plus free cells; involved in transport, pH, and temperature stability
h. extracellular fluid that bathes cells and tissues
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Which of the following is NOT found in the epidermis?
a. stratified epithelium
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a. stomach
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a. integumentary
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d. urinary
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The following questions refer to the figure above of epithelial tissues.
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a. A
b. B
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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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Q:
Gibberellin
Choose the one most appropriate answer for each. Some letters may not be used.
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Q:
Coleoptile
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
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Biennial
Choose the one most appropriate answer for each. Some letters may not be used.
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Q:
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a. the biological clock.
b. vernalization.
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d. biennial life cycle.
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a. auxin.
b. gibberellin.
c. cytokinin.
d. abscisic acid.
e. ethylene.
Q:
The polar transport of auxin in a plant
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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.
d. activates enzymes that loosen cross-links between cellulose microfibrils.
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Q:
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d. citric acid.
e. nitric acid.
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b. use aerobic respiration.
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d. produce its own lipids and proteins.
e. respond to dwindling supplies of nutrients and water.
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d. exopolysaccharides
e. none of these
Q:
Sperm nuclei are indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Q:
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a. A.
b. B.
c. C.
d. D.
e. E.