Question

the community of organisms plus all of their nonliving (abiotic) surroundings commensalism k - organisms parasitism ecosystem

Explanation:

The description "the community of organisms plus all of their nonliving (abiotic) surroundings" directly aligns with the definition of an ecosystem. An ecosystem encompasses both the biotic (living organisms) and abiotic (non - living components like soil, water, air) parts of a defined area. Commensalism is a type of symbiotic relationship between organisms, parasitism is another type of symbiotic relationship where one organism benefits at the expense of another, and K - organisms are a type of species classification based on reproductive strategies.

Answer:

Ecosystem