herbivore
Does target field have real grass
The field is grown over with grass
The deer eat the grass. The grass gets no benefit from the deer. This is called commensalism.
Symbiotic
the ecological niche of a moose would be to eat grass
Producer (grass) and First Level Consumer(deer).
A variety of things can distinguish a well manicured lawn from a field of grass. Height and color of the grass is a good indicator as to what is a lawn and what is just a field of grass. Additionally, a field of grass will have far more weeds than a typical lawn would.
Its has natural grass
Bermuta Grass
Fed Ex field is and has always been, natural grass.
The diamond pattern of the grass on a baseball field is accomplished by the pattern of mowing.