Answer:
Pollen from a plant is a biotic factor.
Explanation:
The reason why pollen is a biotic factor is because the pollen has life and it is basically a living cell which can give life to a flower.
Stop the treatment immediately, if the medication given needs antagonist to counteract it's effects, then it should be given. reassess the diagnosis and exclude all the differential diagnosis. conduct investigations relevant to the histories including serological test, chest CT and MRi. inform the patient the situation (if he is awake) and make sure the next treatment is the best after arriving to the correct diagnosis.
A shell is considered as biotic (living) because it is a hard, rigid covering of many animals such as snail, sepia, pila, turtles, sea urchins. A shell is protective outer layer of these soft bodied animals.