Living organisms in an ecosystem are classified into producers, consumers, and decomposers. The two types of competition are intraspecific and interspecific. In a healthy ecosystem, Trophic Level A is composed of producers, whereas large herbivores can be found at Trophic Level B.
;
Living organisms in an ecosystem are divided into producers, consumers, and decomposers. Types of competition include intraspecific and interspecific. Large herbivores like cows and horses are found at trophic level B, while trophic level A consists of producers in a healthy ecosystem. ;