From the given options, select the pair of words which carries the same relationship to the given pair of words:

Insect : Antenna

Fish : Gills

Here's why:

Insect : Antenna describes an essential sensory organ for an insect. Insects use their antennae to sense their environment, including detecting smells, vibrations, and air currents, which is crucial for their survival and navigation.

Fish : Gills similarly describes an essential organ for a fish. Fish use their gills to extract oxygen from water, which is vital for their respiration and survival in their aquatic environment.

Both pairs highlight the relationship between a specific organism and its unique anatomical feature that plays a critical role in its survival and interaction with its environment.