Answer: I think it's the third one: Letter Q points to the guard cell. Letter T points to the stomata and the response is most likely due to the humid tropical nature of the enviorment.
Answer:
Reflex action is the sudden uncontrolled reaction towards a certain stimuli eg response to hot iron
Reflex arc is the path taken by reflex action to a certain stimuli
Diagram depends to
Receptor(eg skin), receptor nerve(sensory neurone),centre reflex arc(spinal cord most of reflex action) they met relay neurone, motor neurone and ends at reflexor (eg muscle)
Answer:
Enzyme-controlled reactions (digestion, synthesis, growth, regulation, reproduction, circulation, excretion)
Explanation:
