Write a 700- to 1,050-word paper about the ecosystems you have chosen and the species that make up these ecosystems. Include the following items:

Identify and describe the pair of ecosystems.

Describe three species in each of your ecosystems, including at least one plant and one animal from each. Evaluate each of these species based on its intrinsic value, its instrumental value, and its uniqueness value. Include at least one endangered species in this description and analysis.

Summarize how the components of your ecosystems interact with one another, and explain the value of each ecosystem in terms of its components. Describe how ecosystem diversity and species diversity are related, and how each ecosystem relates to the landscape.