What is the root word for especially

Variety of living organisms; includes genetic, species, and ecological types.

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry