What Is the Only Type of Chemical Signal That Does

question 4

Multiple Choice

What is the only type of chemical signal that does not alter the physiology of the animal producing that signal?

• A) neural
• B) paracrine
• C) neuroendocrine
• D) pheromones

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Definitions:

Null Hypothesis

A standard assumption that posits no meaningful difference or impact exists, usually examined in contrast with a contrasting hypothesis during statistical evaluation.

Two-sided

Pertaining to tests or intervals in statistics that consider both directions or sides of a distribution, typically involving a range of values both above and below a certain point.

Population Mean

The average of a set of properties, characteristics, or values in a population.

Null Hypothesis

A statement in statistics that there is no significant difference or effect, used as a default assumption until evidence suggests otherwise.