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Campbell Biology | 10th Edition | ISBN: 9780321775658 | Authors: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
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The photo shows watermelon snow in Antarctica, caused by a species of photosynthetic

Chapter 10, Problem 12

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QUESTION:

The photo shows watermelon snow in Antarctica, caused by a species of photosynthetic green algae that thrives in subzero temperatures (Chlamydomonas nivalis). These algae are also found in high altitude year-round snowfields. In both locations, UV light levels tend to be high. Based on what you learned in this chapter, propose an explanation for why this photosynthetic alga appears reddish-pink.

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QUESTION:

The photo shows watermelon snow in Antarctica, caused by a species of photosynthetic green algae that thrives in subzero temperatures (Chlamydomonas nivalis). These algae are also found in high altitude year-round snowfields. In both locations, UV light levels tend to be high. Based on what you learned in this chapter, propose an explanation for why this photosynthetic alga appears reddish-pink.

ANSWER:


The reddish-pink hue is due to the organisms under the surface reflecting certain wavelengths of light back at the viewer. The Chlamydo

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