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marram grass is a grass that is very well adapted to helping create sand dunes.
Marram.
The roots are long, so as to absorb moisture from low down in the sand - sand has rapid drainage causing water to leak to the bottom. Marram grass lives in hot, salty climates. It is incredibly robust and yet, the harsh conditions it lives in actually make it grow more. If even two inches of the roots were snipped off, the root would grow where it was landed and therefore Marram grass spreads fast.
because it has such a long roots
Marram
To reduce transpiration
The sand scarab beetle but how?
Because it has not adapted to living on nectar, but on eating plants.
Because it has plenty of sunlight and water and it doesn't grow too much
the mature is the oldest dunes found several hundered meteres from the shore. they are inhabited by several different plants not just Marram grass.
It hasn't.
There are a number of species of grass that have adapted to arid conditions.