Bullshit. This is what Usenet is all about. learning.

"Dave Gower" <davegow.removethis.@magma.ca> wrote in message 
news:G-adnWnl7KXeXw7YnZ2dnUVZ_ternZ2d@magma.ca...

"The Flavored Coffee Guy" <elgersmad@rock.com> wrote

... it continues with closed environmental systems deep in caves, 
ecosystems
that require no light, and rely completely on chemosynthesis,

Chemosynthesis relies on outside energy. Caves are definitely not an 
example of over-unity.

Usenet is not a proper place to give lessons in elementary science 
to those who did not pay attention in high school science class.