Which statement characterizes pheromones? 

A)  They target a wide range of species. 
B)  They cause pests to develop rapid genetic resistance. 
C)  They are cheap to produce. 
D)  They are effective in trace amounts.

Pheromones

Chemical signals released by an organism that influence the behavior or physiological response of other individuals of the same species.

Genetic Resistance

The ability of an organism to withstand or evade harmful environmental factors, pathogens, or pests through genetic traits.