Explanation: An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. A niche refers to the role of a species in its ecosystem. A habitat is the physical environment in which a species lives and to which it is adapted.
An ecosystem is a particular area of which both biotic and abiotic factors consist. An ecosystem is a community of living organisms in joining with the nonliving components of their environment, all interacting as one system. Biotic and abiotic components are linked together through nutrient cycles and energy flows.
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It is "B. Cleaning a countertop with a sponge and
<span> rinsing it out to reuse" that represents and example of conservation. Re-using items is better than throwing them away if possible. </span>
