The kind of receptor would you expect to be most abundant in the antennae of a moth exists chemoreceptors.
Chemoreceptors exist as sensors that notice differences in CO2, O2, and pH, and have been organized, based upon anatomical location, as either central or peripheral.
Chemoreceptors exist in proteins found in the cell membrane that interact with distinct molecules, or ligands, and notice differences in the external and internal environments of the body. Chemoreceptors are located in the tongue and nose as well as in the heart and head.
Chemoreceptors detect the groups of carbon dioxide in the blood by observing the concentrations of hydrogen ions in the blood.
Therefore, the correct answer is option C) chemoreceptors.
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