High levels of nutrients moving into the estuary have been linked to Pfiesteria outbreaks. What nutrient sources might contribute to this problem? You should be able to list several potential nutrient sources.

As a bee feeds upon the nectar produced by a flower, the bee may become coated with the flower's pollen. as the bee flies from flower to flower, some of this pollen may contact a flower's pistil, resulting in pollination. this relationship between the bee and the flower is an example of a. parasitism b. commensalism c. mutualism d. competition