Doing a bee assignment. What is the impact on Australia if all the bees die?

Without bees, they would set fewer seeds and would have lower reproductive success. This too would alter ecosystems

.Explanation:

If all of the world's bees died off, there would be major rippling effects throughout ecosystems. ... Other plants may utilize a variety of pollinators, but many are most successfully pollinated by bees.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

can you explain it better