Cells undergo differentiation during embyonic development. An individual skin cell develops differently from a muscle cell because Question 7 options: the cells have different DNA. The cells have different genes. The cells express different genes. The cells have different chromosomes.

Classify the structures as homologous or analogous, depending on their structure and function.

How does a gymnosperm prevent itself from pollinating the same tree

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