Answer:
D. Franz Gall
Explanation:
Franz Gall was a German neuroanatomist and a physiologist. He began the study of the localization of mental functions in the brain.
Claimed the founder of PHRENOLOGY, i.e., the measurement of bumps on the skull to predict mental traits and personality.
Gall came with the idea that a someone's personality could be determined by the shape of their skull. So a slight protrusion in a certain region of someone's skull, changing the shape of it, would indicate that the individual had an optimistic personality.
The right option is b. mutualism
Mutualism is a relationship
between two organisms of different species in which both organisms benefit from
the relationship. From the question given above, both the oxpeckers and the
zebras benefits from the relationship. This type of relationship describes
mutualism.
Depends on the severity of the disadvantages