Answer:
<em>the establishment of a hierarchical system of categories on the basis of presumed natural relationships among organisms. </em>
<em>hope this helps</em><em> </em><em><</em><em>3</em>
<span>Smooth muscle activity in the small intestine wall facilitates chemical digestion and absorption employing the processes of segmentation and <span>peristalsis.
</span></span>Peristalsis<span> is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract</span>
The brain has three main parts: the cerebrum, cerebellum and brainstem. Cerebrum: is the largest part of the brain and is composed of right and left hemispheres. It performs higher functions like interpreting touch, vision and hearing, as well as speech, reasoning, emotions, learning, and fine control of movement.
