1 The first whales evolved during the Quarternary Period.
2 Falling sea levels and colliding continents created connections between continents that led to great movements of land animals during the Neogene Period.
3 Land mammals such as bats, cats, dogs, cattle and mammoths became common during the Neogene Period.
4 During the Quarternary Period, the Earth heated up
2. Falling sea levels and colliding continents created connections between continents that led to great movements of land animals during the Neogene Period is the correct statement.