Converse of object

• do: ANSWER: The fontanelle Does a housefly begin as an egg or a maggot?

Adjective modifier

• common: The lesser housefly is more tolerant of cooler conditions than the common housefly.

• female: A female housefly can lay up to 600 eggs in her lifetime.

Modifies a noun

• population: Were this to a occur a situation could arise where none of the chemicals currently available will control the housefly populations.