Our English expression: "The dawning of an age" serves to illustrate this point.
The intended meaning of the word should be determined from the context.
Although many Christians claim this makes the days exactly 24-hours in length, the Hebrew word translated "day" in English actually has three literal translations; the daylight portion of a 24-hour day, a 24-hour day, and a long, unspecified period of time (as in "day of the dinosaurs").
The Hebrew word translated "evening" also means "sunset," "night" or "ending of the day." The Hebrew word translated "morning" also means "sunrise," "coming of light," "beginning of the day," or "dawning," with possible metaphoric usage.
The process would have required Adam naming tens of thousands of species (minimum).
Plants spouted, grew to maturity, and produced seeds. However, the text clearly states that the (soulish) animals, including the wild animals (carnivores), cattle (herbivores) and "creeping things" (rodents? Then God created Adam, the first man (Genesis , 2:7).
He placed the man into a special garden that He had planted (Genesis 2:8).
The first, and foremost, assumption is that the genealogies of Genesis are complete, from father to son throughout the entire course of human existence.
The second assumption is that the Genesis creation "days" were exactly 24-hours in length. Although Archbishop Ussher assumed the Genesis genealogies were complete, it is clear from the rest of the Bible that those genealogies were telescoped (some names were left out for the sake of brevity), which is common in biblical genealogies but rare in modern genealogies.