Which of the following best describes the term parasitism?

one species uses another species as a food source, typically killing it.
one species uses another species as food or shelter causing harm.
one species takes food or resources away from another species.
one species can photosynthesize or otherwise create its own food.

The correct answer is-  One species uses another species as food or shelter causing harm.

Parasitism is a biological relationship between two organisms belonging to different species in which one organism ( called parasite) lives on the surface or inside the body of another organism ( that is called host) as a source of food, shelter, and reproduction, thus completing its life cycle.

This means that one organism ( that is parasite ) is benefited at the expense of host organism.

true is the answer : )

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects