1. Which processes remove nitrogen from the atmosphere? I. Fertilizer production II. Eutrophication III. Nitrogen fixation IV. Denitrification A. I and II B. I and III С. Iand IV D. II and III Е. II and IV 2. The net primary production (NPP) of a stable lake ecosystem is roughly equal to the amount of A. phytoplankton present in the photic zone B. phytoplankton consumed by heterotrophs C. dissolved nutrients used by phytoplankton D. dissolved oxygen used by phytoplankton E. dissolved oxygen used by all consumers

1. Which processes remove nitrogen from the atmosphere? I. Fertilizer production II. Eutrophication III. Nitrogen fixation IV. Denitrification A. I and II B. I and III С. Iand IV D. II and III Е. II and IV 2. The net primary production (NPP) of a stable lake ecosystem is roughly equal to the amount of A. phytoplankton present in the photic zone B. phytoplankton consumed by heterotrophs C. dissolved nutrients used by phytoplankton D. dissolved oxygen used by phytoplankton E. dissolved oxygen used by all consumers

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter20: Ecosystems And The Biosphere

Section: Chapter Questions

Problem 1ACQ: Figure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification...

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