Compare and contrast the flow of matter and energy in an ecosystem.

Illustrate a diagram of the interconnection between carbon and nitrogen cycle.

You now know what an ecosystem is—and how varied ecosystems can be. Pick an ecosystem near you—find one that it as large or small as you wish. All areas—urban, suburban, and rural—have many ecosystems to choose from. Write a description of the ecosystem, including biotic and abiotic factors, in NO MORE THAN FOUR SENTENCES.

Use this figure to answer the questions below. Floating plants: producers eg lilies, water tertiary consumer fern diagram not to scale Birds: secondary and Frog: secondary Rooting flowering plants: producers eg reed mace consumer eg kingfisher Duck: secondary Partially submerged plants: producers eg arrowheads common rush consumer Water snail: primary Phytoplankton: producers eg diatoms consumer Submerged plants: producers eg starworts, water-milfoils Zooplankton: primary consumers eg roitifers, copepods, waterfleas Large fish: tertiary consumer eg trout, char Small Fish: secondary consumers eg perch, smelt, minnows