Commensalism: The Remora Fish feeds off the food scraps from the shark When one organism benefits, and the other isn’t helped or harmed (, ) The remora has a suction cup on the top of its head to attach to the shark. It eats the excess food that the shark doesn’t eat and also gets a free ride (using no energy of its own for movement).
Does the remora cause any harm to the shark?
Does the shark benefit from the remora in any way?

*a mastectomy is the surgical removal of one or both breasts, either partially of fully. an oophorectomy is the surgical removal of an ovary or ovaries.analyze a woman’s risk of dying of cancer if she carries a mutated brc1 gene.how do heredity and inheritance relate to the data presented in these charts? what data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries? what does the age at diagnosis tell you about the mutation? explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.