Which term describes the chemicals that adjust and maintain activities in the body

Very minute and important evidence needs to be collected in order together detail and figure out what had happened

Where are the options?

Interacting group of various species in a common location. for example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.

Ithink is    record the line that the bottom of the meniscus touches. tell me if it is correct