Final answer:
Highly Susceptible Populations in health refer to groups more at risk for health threats, not including microbial populations that cannot perform genetic conjugation, which is unrelated to human HSPs.
Step-by-step explanation:
In the context of health and safety, Highly Susceptible Populations (HSP's) refer to groups of individuals who are more vulnerable to foodborne illnesses and other health threats.
These populations typically include the elderly, infants and young children, pregnant women, and people with weakened immune systems due to conditions such as HIV/AIDS, cancer, diabetes, or transplant patients. The information provided in the question references various concepts related to environmental biology, populations at risk of disease, and the role of genetics in population success.
However, when considering the standard definition of HSPs in health, a population including individuals not capable of conjugation does not align as a recognized category. The inability to perform genetic conjugation likely refers to microbial populations and their genetic exchange mechanisms, rather than human populations, which is the focus when discussing HSPs in the field of public health.