The skin is the primary organ of the
system?

Skin is the body's largest organ, and along with hair, nails, glands and nerves, is part of the integumentary system, according to Oregon State University. ... In adults, skin accounts for about 16 percent of total body weight and covers a surface area of approximately 22 square feet (2 square meters).

Explanation:

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above