MCQ
Consider the following statements.
- An ecosystem is a functional unit of nature and comprises abiotic and biotic components.
- Abiotic components are organic materials.
- Biotic components are producers, consumers and decomposers.
- Energy flow is bidirectional.
- A$(i)$ and $(ii).$
- B$(ii)$ and $(iv).$
- C$(iii)$ and $(iv).$
- ✓$(i)$ and $(iii).$