Answer: Poisoned Barn Owls can die slowly or live with a poison remnant in their body, according to research. After eating three mice carrying the toxin Brodifacoum, a Barn Owl usually dies in 6 to 17 days.
The best answer among the following choices to fill in the blank would be A).
Environmental functions is the correct option. Hope it helped U. If it helped you please mark as brainliest