PLEASE HELP THIS IS DUE TODAY WILL MAKE BRAINLIEST​

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

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

The structure that houses the cells genetic information.