Control and coordination

• What is tropism?

  Response of a plant to a specific stimulus
• What is phototropism?

  Response of a plants’s shoot or root to light
• What is gravitropism?

  Response of a plant’s shoot or root to gravity
• What is auxin?

  • hormone which controls the growth of a plant’s shoots and roots
  • when auxin is unevenly distributed in a growing plant, the rate of growth will also be unequal
• What are gibberellins?

  type of plant hormone involved in seed germination
• What is Ethene?

  type of plant hormone involved in cell division and ripening