How did the indigenous get to Australia when the continents drifted apart much earlier?

Question

How did the indigenous get to Australia when the continents drifted apart much earlier?

In: 4730

Answer 1

Noob question, if you take away the waters, there’s land between each continents that make up todays map. How do each continent move around when you are grid locked by land mass? It’s not like continents are islands floating freely.