Exam 46: Ecosystems

The following nutrient most associated with eutrophication is:

Classification.Respond to the following statements with reference to the five trophic categories listed below. a.producer b.primary consumer c.secondary consumer d.tertiary consumer e.decomposer -A herbivore is this.

Classification.Respond to the following statements with reference to the four steps of the nitrogen cycles listed below. a.nitrogen fixation b.nitrification c.denitrification d.ammonification -How are bacteria the beginning and end of the nitrogen cycle?