Is there an explanation or theory for why there are so many deadly/dangerous animals in Australia specifically?

Question

Meaning stuff like the Blue Ring octopus, the box jellyfish, the funnel web spider etc.

In: 95

Answer 1

There are no more deadly/dangerous animals in Australia than anywhere else. Actually, there are fewer than in continents like North America and Africa. There are also many fewer deadly diseases in Australia, and fewer plant diseases.