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plant prac xam quests - Chapter 37 FILL IN THE BLANK 1...

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Chapter 37 FILL IN THE BLANK: 1. Plants derive most of their organic mass from _________. 2. ___________ are elements that are required in small amounts. 3. Acids from the roots help the plant’s uptake of minerals when _______ displaces mineral cations from soil particles. 4. __________ bacteria convert N2 from the atmosphere to NH3 during nitrogen fixation. 5. _________ deficient plants exhibit reddish purple margins, especially in young leaves. MATCHING: 1. Oxygen a. Remains of partially decayed organic material 2. Zinc b. Hyphae extend into the extracellular spaces of root cortex 3. Humus c. Macronutrient 4. Ectomycorrhizae d. Hyphae penetrate cell walls. 5. Endomycorrhizae e. Micronutrient TRUE/FALSE: 1. Phytoremediation is a technology that uses the ability of some plants to extract soil pollutants to help reclaim contaminated areas. 2. Plants are able to utilize the gaseous N2 form. 3. A single plant leaf can be used to diagnose all of plants mineral deficiencies.
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