The following questions refer to the evolutionary tree in Figure 22.4,whose horizontal axis represents time (present time is on the far right) and whose vertical axis represents morphological change.
Figure 22.4
-Which species is least expected to have a good record of transitional fossils;in other words,which species' fossils,if present at all,are expected only in relatively superficial (that is,shallow) strata?
Definitions:
Pathological
Pertaining to pathology; used to describe conditions that are disease-related or abnormal.
Eating Behaviour
The patterns, habits, and motivations that determine what, when, and how much a person eats.
Anorexia Nervosa
An eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted perception of body weight or shape.
Bulimia Nervosa
An eating disorder characterized by episodes of binge eating followed by purging to prevent weight gain.
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