Answer:
The answer for the part of the operating system communicates with the BIOS, device drivers, resource managers, and APIs to coordinate operating system functions is the Kernel.
Step-by-step explanation:
The Kernel is the part of the operating system that is most visible to users.
It provides a reference point for activities in the operating system and coordinates operating system functions.
The kernel communicates with the BIOS, device drivers, and the API and handles the hardware, timing schedule, peripherals, memory, disks and user access.