This is a symbiotic relationship where one organism is helped, while the other is basically unaffected. Choose the response which best completes each of the following statements or answers each of the following questions. Nodules containing nitrogen-fixing bacteria are found on the roots of members of the legume family.
Barnacles often attach themselves to whales and receive free transportation to parts of the ocean.
The whales are not affected by this activity. In the marshlands of the northeastern United States, the purple loosestrife plant has replaced many native plants. Explain why nitrogen-fixing bacteria and legumes provides an example of mutualism. Completion Questions 1. carnivore 2. The nitrogen-fixing bacteria get a home in the nodules of the legume, so they are helped.