Mostly it is made of living corals, sponges and other ogranims living on top of compressed dead coral and other animals skeletons.
Aborigines were mainly affected by smallpox.
Promoting free-trade policies
promoting privatization
The small nations are less active in global trade or The small nations have much poorer economies. The large nations have more developed economies.
They increased the conflicts between the native populations and ethnic groups, leading to wars between tribes and between the colonizers and the natives.
or
They led to civil wars
or
They increased ethnic tension.
Aborigines speak a language unrelated to any outside Australia.
Languages in Tasmania are unrelated to those off the island.
Aboriginal cultures have no influences outside Australia.
In general, the feature that separates two ecozones is a deserts. An ocean and desert is an example that separates two ecozones.
A history of geographic and cultural isolation -apex
Palearctic
The black majority was kept in an inferior position - Apex
Somalia became a failed state. -apex
seasonal flooding