Which of the Following Best Matches the Description

Which of the following best matches the description?
-Chemical produced by one animal that changes the behavior of another.

A) weed
B) biocide
C) pheromone
D) macronutrient
E) organophosphate
F) rodenticide
G) auxin
H) chlorinated hydrocarbon
I) weed.
J) hard pesticide
K) soft pesticide
L) persistent pesticide
M) micronutrient
N) biomagnification
O) fungicide
P) herbicide
Q) macronutrients
R) micronutrients