Once the climate started to warm up, these cold adapted animals were faced with a dilemma, either they had to develop adaptations to counterbalance the change in temperature, or migrate.
(the climate; started; ) (adaptations; to counterbalance; the change in temperature) (the climate; to warm up; ) (adaptations; to migrate; ) (these cold adapted animals; were faced; with a dilemma; T:Once the climate started to warm up) (they; to develop; adaptations)
the climate adaptations the climate adaptations these cold adapted animals they
started to counterbalance to warm up to migrate were faced to develop
the change in temperature
with a dilemma T:Once the climate started to warm up
adaptations