True or false? One theory about phototropism is that auxin triggers a reaction on the shaded side of the stem that causes cell elongation on that side of the plant. Group of answer choices

True

False

one theory about phototropism is that auxin triggers a reaction on the state side of the steam false

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explanation:

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.