That was the ability to use and adapt to the environment so that more children would survive to increase the human population.
(That; was; the ability to use and adapt to the environment) (more children; would survive; to increase the human population) Context(more children would survive,List([65, 92))):(more children; would survive to increase; the human population)
more children would survive,List([65, 92))
That more children more children
was would survive would survive to increase
the ability to use and adapt to the environment
to increase the human population
the human population