Question

select the text from the paragraph that best helps you understand that host means an organism that another organism lives on. there may be more than one correct choice.

parasitic relationships are often the most familiar types of symbiotic relationships. a common example is a flea living on a dog. in cases like these, the parasite gains a viable habitat to support its life cycle, while the host is harmed.

Explanation:

To understand that "host" means an organism another organism lives on, we look for text that shows a parasite (flea) living on another organism (dog) and the host being the one the parasite lives on. The sentence "A common example is a flea living on a dog. In cases like these, the parasite gains a viable habitat to support its life cycle, while the host is harmed." provides this context. The flea (parasite) lives on the dog, and the dog is the host. Also, the relationship described (parasite living on host) helps define host as the organism the parasite lives on.

Answer:

• A common example is a flea living on a dog.
• In cases like these, the parasite gains a viable habitat to support its life cycle, while the host is harmed.