Prenatal Development
https://my.clevelandclinic.org/health/articles/7247-fetal-development-stages-of-growth
When the infants heard their mother’s voice, they sucked more strongly at the pacifier (Mills & Melhuish, 1974).
This is an example of conditioning, which falls under the category of nurture
Consequently, vision is the most poorly developed sense at birth.
Vision being poor at birth is innate and not based on external factors
motor skill
motor skill: any movement ability