What is an example of a symbiotic organism?

The symbiotic relationship between an anemone (Heteractis magnifica) and a clownfish (Amphiron ocellaris) is a classic example of two organisms benefiting the other; the anemone provides the clownfish with protection and shelter, while the clownfish provides the anemone nutrients in the form of waste while also scaring

Explanation:

I asked the same question

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;