Answer:
The answer is D.
Thigmotropism is the way that a plant grows in response to touch.
<span>gas production also meant a doubling in the rate of photosynthesis? ... By adding a number of equal volumes of normal sodium bicarbonate
solution the concentration of carbon dioxide available to the plant is
increased and the gas production measured. Prior knowledge. Sodium hydrogencarbonate is a source of carbon dioxide.</span>
Answer:
regulates hormones that modulate digestion
Explanation: