7. A relationship in which a parasite lives in or on another organism known as the host from which it derives nourishment. A. Parasitism C. Mutualism B. Commensalism D. Predation 8. Commensalism is a relationship between organisms in which one organism benefits while others is not affected. Which is an example? A tapeworm as an internal parasite B. Birds nest fern does not harm the tree but benefits from using the tree surface as place to grow. C. House cats killing mice. D. A chameleon hunts remaining immobile and ambushing prey. 9. Which of the following is not an ectoparasite? A. Fleas C. Tapeworm B. Ticks D. Lice 10. Symbiosis means A. Living alone B. living together B. Losing together D. losing one​