Question
In general, which part of a plant is positively phototropic? What is the adaptive significance of this reaction?
Step 1
From the explanation, we know that the stem tips of a plant exhibit a positive phototropic reaction. This means that they grow towards the light. So, we can write this as: \[ \text{Stem tips of a plant are positively phototropic.} \] Show more…
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What adaptive advantages are conferred on a plant whose stems are positively phototropic and whose roots are positively gravitropic?
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