The symbiotic relationship between the Acadian forest and the northern flying squirrel is based on:
The squirrels need to find dens in old growth forests
The spread of seeds carried by squirrels
The spread of fungi by the squirrel

Extirpated in 1950, re-introduction is underway for:
the woodland caribous
the trumpeter swan
the peregrine falcon

The greatest threat to the region's habitats is:
The logging industry
The destructive force of the tides
Overhunting of game