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What element is considered an essential macronutrient for plants?
Q6: Ringlike patterns on an earthworm and "six-pack
Q44: All imperfect flowers are also incomplete.
Q54: The outermost whorl of a flower typically
Q65: Veins throughout a leaf are formed by
Q79: Bioactive specialized compounds that function to protect
Q88: Blood plasma is separated from cells by
Q91: Which molecule is the most abundant in
Q95: To which class of neurotransmitters does glutamate
Q97: Cork cambium produces _.<br>A)vascular tissue<br>B)heartwood<br>C)vascular cambium<br>D)sapwood<br>E)secondary epidermis
Q100: Many plants wind up with a Na<sup>+</sup>