It is by charting the passage of time and linking the supporting fossil records for a given species, that over time, the changes and evolution of a species can be verified.
(It; is; by charting the passage of time and linking the supporting fossil records for a given species) (the changes and evolution of a species; can be verified; T:over time)
It the changes and evolution of a species
is can be verified
by charting the passage of time and linking the supporting fossil records for a given species
T:over time