Practice: Movement in Plants

A tendril is a specialized part of a climbing plant (pictured). If one side of a growing tendril touches an object, signals are transmitted to encourage the tendril to grow around the object. What tropism is being displayed here?

A tendril
  • APositive hydrotropism
  • BPositive gravitropism
  • CPositive thigmotropism/haptotropism
  • DNegative gravitropism
  • ENegative thigmotropism/haptotropism

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