Question

Which factors characterize ecosystems? A. biotic factors only B. abiotic factors only C. both biotic and abiotic factors D. neither biotic nor abiotic factors

Answer 1

C. both biotic and abiotic factors in earth most ecosystems have both abiotic and biotic systems. They actually need both in order to survive.

Answer 2

Answer: C. both biotic and abiotic factors

Explanation:

An ecosystem can be define as biotic community where living beings or biotic  factors of the environment interacts with the non-living components or abiotic factors of the environment. This interaction is necessary for sustaining life on earth as living beings are dependent upon the non-living physical environment for completing their life cycles.

Biotic factors includes the plants, animals, microbes, and other living beings. Abiotic factors includes the soil, water, air and sunlight.