Final answer:
Middle managers are typically responsible for allocating resources and developing activities within an organization.
Step-by-step explanation:
The level of manager typically in charge of allocating resources and developing activities is the middle manager. Middle managers play a crucial role in implementing the strategic plans of the organization by overseeing the day-to-day operations, allocating resources, and coordinating activities within their department or team. They bridge the gap between top-level executives and front-line employees, ensuring that the organization's goals are achieved efficiently and effectively.