Respuesta :
Answer:
Correct answer is B
Explanation: I believe an Ecosystem is community of living organisms where non living systems of their environmental. Biotic and Abiotic components are together nutrient cycles and energy flows. There are types of Ecosystems such as Tundra, Desert, Cropland, and Rainforest..etc
An ecosystem is described as a community of living organisms called producers, consumers and decomposers. They live in conjunction with the non living components of their environment, interacting as a system. The answer I believe would be B.