<span>The epidermis is a layer of skin which contains the most bacteria in the skin. Upper parts of hair follicles also have those microorganisms a lot. Skin microbiota is usually non-pathogenic and has a defensive role (for example, preventing pathogenic organisms to enter the skin surface). Even though, bacteria can cause skin diseases (for example, acne) and enter the blood system.</span>
refuse
thats the answer to your question
Answer:
B
Explanation:
because they belong to classe Echinoidea, phylum echonodermata