Explain relationships in ecosystems Practice Test

Atlantic salmon migrate to rivers in New England to reproduce and to the coast of Greenland to feed. Which of these scenarios could cause a decrease in salmon populations due to competition?

The clownfish and the sea anemone are a famous example of a symbiotic relationship. The sea anemone offers the clownfish protection and leftover food while the sea anemones are given better water circulation because the clownfish fan their fins while swimming about. This is an example of which type of symbiotic relationship?