human picks up bacteria on his or her hands. The bacteria do not cause disease but do feed on the human's dead skin cells. This is an example of

The correct answer is - Commensalism

Explanation:

Commensalism is a symbiont relationship in which there is a relationship between two organisms in which one gets benefits and the other organism is unaffected.

Human skin has many commensal bacteria that fed on dead cells of the skin. Here humans are hosts that do not get harm and bacteria rely on them for survival.

well we can't tell you because we cant see the time give a screen shot or something.

answer; i believe the correct answer is (replication is not conservative);