What do feedback mechanisms regulate? 
pancreatic secretions flower petals and fruits speed of movements trees and flowers Two or more sets of alleles 70-75 degrees Fahrenheit tropical cyclone antigens that cause allergy
A B C D E F G H
Hormones regulate pancreatic secretions.
Feedback mechanisms regulate pancreatic secretions
What do feedback mechanisms regulate?  (A) pancreatic secretions (B) flower petals and fruits (C) speed of movements (D) trees and flowers (E) Two or more sets of alleles (F) 70-75 degrees Fahrenheit (G) tropical cyclone (H) antigens that cause allergy