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launch.jsp?course assessment id_1762141&course;_ids_115016_18content_id _3085657_18step-null y Question Completion Status: QUESTION 57 Micronutrients are needed in very small amounts because o most of them are mobile in the plant o most serve mainly as cofactors of enzymes o they play only a minor role in the growth and health of the plant o only the most actively growing regions of the plants require micronutrients QUESTION 58 A plant has the following characteristics: a taproot system, several growth rings evident in a cross section of the stem. and a layer of bark around the outside. Which of the following best describes the plant?" O herbaceous eudicot woody eudicot woody monocot O herbaceous monocot QUESTION 59 Penguins, seals, and tuna have body forms that permit rapid swimming, because O all share a recent common ancestor o all of their bodies have been compressed since birth by intensive underwater pressures O the shape is a convergent evolutionary solution, which reduces drag while swimming this is the only shape that will allow them to maintain a constant body temperature in water QUESTION 60 When the body's blood glucose level pancreas secret declines. When the blood glucose level level rises. Such regulation of the blood glucose level is the result of o catalytic feedback ises, the pancreas secretes insulin and. as a result, the blood glucose level is low, the pancreas secretes glucagon and, as a result, the blood glucose o positive feedback o negative feedback o protein-protein interactions Click Save and Submit to save and submit. Click Save All Answers to save all answers

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