Populations and abiotic factors with which they interact in the setting of a community.

Ecosystem.

Explanation:

When we consider a biological community in its habitat or natural environment, we are studying an ecosystem.An ecosystem, therefore, as a unit of study of Ecology refers to a community in a specific habitat, to the relationships that the organisms of the different populations that form it establish with each other and those that they establish with the abiotic environment.

protocol for imps extraction focusing on membrane protein extraction, solubilisation, and purification.