Chordates<span> are eucoelomate deuterostomes, and probably share a common ancestor with </span>echinoderms<span>. Three important characteristics unite the Phylum </span>Chordata<span>. At some point in their life cycle, all </span>chordates<span> have a notochord, a dorsal hollow nerve cord, and pharyngeal gill slits.</span>
Answer:
a.they earn more than the proletariat, but less than the bourgeoisie.
Explanation:
Proletariat refers to those people which belongs to lower class or which are poor, while bourgeoisie are those class of the society which are the richest people of the society. Between these two classes, some people belongs to middle class such as the manager because they have good financial condition as compared to lower class people but less wealthier than upper class of the society. They earn little as compared to bourgeoisie.
The heart has two chambers the ventricles half pumps blood to the lungs then Oxygen poor blood flows back to the heart.
Answer: Cell, Tissue, Organ, Organ system, than Organism
Explanation:
Answer:
Homo sapien
Explanation:
Homo is the genus name
sapien is the species name