What role does skin play in the excretory system? a. secretes excess water as sweat b. protects against pathogens c. absorbs water through osmosis d. facilitates gas exchange

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

the correct answer in apex is tissue development, i know because i just had this question