The marsh grass that is in this food chain, plays a big role. it feeds the crickets and grasshoppers , and they feed the shrew and frogs, which feed the snake which feeds the hawk. if it was taken out, the crickets would eventually have nothing to eat and then the other animals wouldn't either.
it is an autotroph , because they can create their own source of energy with which they function.
a producer is a person, company, or country that makes, grows, or supplies goods or commodities for sale.
a consumer is a person or thing that eats or uses something.
a decomposer is an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.