They are heterotrophic- not photosynthetic because they cannot perform photosynthesis
Trait is an obvious, observable, and measurable trait; it is the expression of genes in an observable way. An example of a phenotypic trait is a specific hair color
Peristalsis refers to the action of the involuntary muscle of the digestive track
Peristalsis involve a series of wave like muscle contraction that moves food to different processing station in the digestive tracts and it begins in the esophagus when bolus of food is swallowed. It involve involuntary movement of the longitudinal and circular muscle.
A hormon called leptin has been...
