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Question: 46 which of the following leads to soil erosion 46...

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46) Which of the following leads to soil erosion? 46)- A) urban sprawl B) natural causes C) farming D) deforestation E) all of the above 47) 47 Where does most nutrient uptake oocur in roots? A) in root hairs, in the zone of maturation B) at the root tip, where root tissue first at the Casparian strip:where ions must enter encounters soil away from the zone of nutrient depletion C) the ymplast potoylem cels symplast prior to entering xylem cels D) in the pymplastic and apoplastic pathy D) in the symp 48) When rhizobia encounter the lavoncids of pea root hairs: 43)_ A) The rhizobia produce Nod factors. C The rhizobia produce flavonoids. B) The pea root hairs produce Nod factors D) Nothing happens. 49) 49) Chemical analy isofa plant showed that it ontains03% dr m um by dry weight These data suggest that this element is: A) essential B) a micronutrient C) a macronutrient D) a limiting nutrient E) none of the above -50) Which of the following statements is a true statement about body size and physiology? 50) A) The rate at which nutrients are used and waste products are produced by an animal is independent of its volume. B) Small and large animals face very different physiological challenges because body mass increases disproportionately rapidly as linear dimensions increase C) The amount of food and oxygen that an animal requires and the amount of heat and waste that it produces are inversely proportional to its mass 51) How is the structure of a connective tissue most closely correlated with its function? 51) A) The density of cells in the tissue-correlates with the tissues function B) The type of cells in the tissue correlates with the tissues function C) The nature of the extracellular matrix correlates with the tissues function D) The origin of the tissue (from endoderm, mesoderm, or ectoderm) correlates with the tissues function. 52) A) connective, nervous, muscle, and epithelial tissues B) connective, nervous, and epithelial tissues only C) connective, nervous, cardiac, and epithelial tissues D) muscdle, nervous, and epithelial tissues E) connective and epithelial tissues only
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