A farmer spreads insect-killing chemicals on an orchard to protect the fruit from harmful insects. Which of these unwanted events is the most likely side-effect of the chemical treatment?

i have to report this, it doesn't relate to biology

there is no stairs in bungalow

explanation:

can i have brainliest i need one

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.