Similar to how paper changes color in sunlight, chemicals like methoprene can also change when they are in a natural environment.
(paper changes; color; L:in sunlight) (chemicals like methoprene; can change; T:when they are in a natural environment) (they; are; in a natural environment)
paper changes chemicals like methoprene they
color can change are
L:in sunlight
T:when they are in a natural environment
in a natural environment