Which organism is not a consumer?
a.
bacteria
b.
snake
c.
grass
d.
owl

I believe the correct answer from the choices listed above is option C. It is the grass that is not a consumer. Instead, the grass is under the category of a producer. A grass makes its own food. It does not rely on energy of other organisms. Hope this answers the question.

This movement is also referred to as  glacial plucking

Exposure to solar flares would be the correct answer