There are communities in spain and also pennsylvania where polydactyly is a common trait. why does this tend to be passed on from generation to generation?

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?