The diagram indicates a possible evolutionary path for $\textit{Homo sapiens}$ (present-day humans) from earlier ancestors. $\textit{Homo sapiens}$ (present-day humans) $\uparrow$ $\textit{Homo heidelbergensis}$ $\uparrow$ $\textit{Homo erectus}$ $\uparrow$ $\textit{Homo habilis}$ Which statement about present-day humans and their ancestors is correct?
- AThey are in the same species and the same genus.
- BThey are in the same species but not the same genus.
- CThey are in the same genus but not the same species.
- DThey are neither the same species nor the same genus.