Answer:
<u>B.The clownfish living in a sea anemone</u>
Explanation:
It's a relationship between two organisms where one benefits and the other gains neither harm nor benefit
Though all choices protect your organs the most important would be your bones.
One long, single molecule of double stranded, helical, supercoiled DNA. In most bacteria, the two ends of the double-stranded DNA covalently bond together to form both a physical and genetic circle