do you think that language families are in accurate depiction of human migrations? why or why not?

Which the following is a common trait in a four year college

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

What is the binomial name of the horsefly species that's golden backside inspired a 24-year old researcher to name it after a pop star in january 2012?