Final answer:
Slavery was not as prevalent in the Middle Colonies as in the Southern colonies. Employers in the Middle Colonies preferred white indentured servants over black slaves. The patterns of employment for workers in the Middle Colonies resembled that of England rather than plantation colonies.
Step-by-step explanation:
The statement that is NOT true about labor in the Middle Colonies is: b. In order to maintain their large plantations the Middle Colonies relied heavily on slaves.
While the Middle Colonies did have slaves, slavery was not as prevalent as in the Southern colonies. In fact, employers in the Middle Colonies preferred white indentured servants over black slaves, especially in urban centers. The patterns of employment for workers in the Middle Colonies resembled that of England rather than the plantation colonies, with workers mainly working on small farms, in craft shops, or as domestics.