Plant and animal cells are both eukaryotic, and thus they are similar in many ways. however, plant cells have some structures that are not present in animal cells. which of the following structures are not found in animal cells?

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his 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