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Concepts of Biology

Visual Connection Questions

Concepts of BiologyVisual Connection Questions
1.

Figure 20.12 Which of the following statements about the nitrogen cycle is false?

  1. Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+).
  2. Denitrification by bacteria converts nitrates (NO3-) to nitrogen gas (N2).
  3. Nitrification by bacteria converts nitrates (NO3-) to nitrites (NO2-).
  4. Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds.
2.

Figure 20.28 In which of the following regions would you expect to find photosynthetic organisms?

  1. The aphotic zone, the neritic zone, the oceanic zone, and the benthic realm.
  2. The photic zone, the intertidal zone, the neritic zone, and the oceanic zone.
  3. The photic zone, the abyssal zone, the neritic zone, and the oceanic zone.
  4. The pelagic realm, the aphotic zone, the neritic zone, and the oceanic zone.
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