She lived in a duplex, right?
Apartment building. And the elevator was broken, thanks to the two geeky physicists across the landing on the same floor of the building.
Fed and Ethel.
Lucy invited Eve to gossip about Adam.
“how these early human ancestors were related and shared resources...”
They cannot even get the science right. They would not have “shared resources”. They would have competed for resources.
Another, possibly sub-concious, effort to Disneyfy nature.