I'm assuming by 'gustation', you actually mean gestation. Gestation is a period of which a woman is pregnant. A typical gestation period lasts 9 months. You're welcome.
Gustation is the sense of taste.
The technical term for the sense of taste is gustation.
Gustation
The human senses include sight (vision), hearing (audition), taste (gustation), smell (olfaction), and touch (tactile sensations). Additionally, humans have a sense of balance (equilibrioception) and body awareness (proprioception).
Gustation...the sense of taste.
Smell is an odor or the perception of an odor.
taste: the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouthtaste
The sense of gustation is classified as a chemosensory sense that allows organisms to perceive and distinguish different tastes. This sense is essential for evaluating the flavor of food and detecting potentially harmful substances.
Yes time was invented by humans
no humans were apes that had over time evolved to humans
in the scope of geologic time, how significant is the presence of humans?
No, humans beings are more recent.