What led biologists to assign universally accepted names to organisms?

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.