7. Phytochrome prevents seeds of some plants from germinating when they are in deep shade by the: absorption of far-red wavelengths by chlorophyll. slow conversion of Pfr to Pr in the dark. absorption of red wavelengths by Pr. absorption of far-red wavelengths by Pfr. slow conversion of Pr to Pfr in the dark.
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Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata
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The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius
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Pulmonary arteries carry highly oxygenated blood. true or false?
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3. draw a topographic map that displays the following features: (4 points each) a. the contour interval is 20 meters. b. the point of lowest elevation is 960 meters. c. the point of highest elevation is 990meters. d. there is at least one sinkhole or depression, at any elevation. e. there is at least one steep slope and one gentle slope.
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7. Phytochrome prevents seeds of some plants from germinating when they are in deep shade by the: ab...
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