Which feedback decreases or stops the production of hormones? feedback

Which feedback triggers the production of hormones?

feedback

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

What happens whenever a net force acts on an object

Which would be the most useful source of evidence to support mcneill's contention?