First ___ (officer on a ship)

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Possible Answers:

Mate.

Last seen on: Daily Celebrity Crossword – 4/22/19 Movie Monday

Random information on the term “Mate”:

Mate choice is one of the primary mechanisms under which evolution can occur. It is characterized by a “selective response by animals to particular stimuli” which can be observed as behavior.[1] In other words, before an animal engages with a potential mate, they first evaluate various aspects of that mate which are indicative of quality—such as the resources or phenotypes they have—and evaluate whether or not those particular trait(s) are somehow beneficial to them. The evaluation will then incur a response of some sort.[1]

These mechanisms are a part of evolutionary change because they operate in a way that causes the qualities that are desired in a mate to be more frequently passed on to each generation over time. For example, if female peacocks desire mates who have a colourful plumage, then this trait will increase in frequency over time as male peacocks with a colourful plumage will have more reproductive success.[2] Further investigation of this concept, has found that it is in fact the specific trait of blue and green colour near the eyespot that seems to increase the females likelihood of mating with a specific peacock.[3]

Mate on Wikipedia