Biology

The correct answer is: C.Chemicals that influence nearby cells in the local environment.

Explanation:

Local regulators are signaling molecules that influence nearby cells, typically acting over short distances. These include molecules such as cytokines, growth factors, and neurotransmitters, which mediate communication between cells in a localized area. They are important in processes like immune responses, tissue development, and the regulation of cell activities within a specific tissue or organ.

The other options are incorrect because:

A.Signals that act on distant cells: This describes hormones, which are long-distance signaling molecules, not ...