If you rub your finger across the body of an earthworm, you may notice little ripples. Earthworms were among the first organisms to display .

a coelom,

segmentation,

jointed appendages,

an endoskeleton

Earthworms were among the first organisms to display Segmentation

Explanation:

The earthworm is made of about 100-150 segments. This Segmentation helps the movement of the earthworm.

Setae is the muscles and bristles that each segment or section posses. when moving through soil, the Setae helps to anchor and control the Earthworm.

c-reactive protein (crp) is an acute phase protein belonging to pentraxin family of proteins, whose levels increases 1000-fold or more in concentration in blood during the occurrence of an injury, inflammation or tissue death.

answer; /// i believe that the correct answer is ( monophasic ); ethinyl estradiol- ethynodiol diacetate is a monophasic oral contraceptive agent; ///