Please help me out. thanks:)

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

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

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia