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18.7: Summative Questions

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    1. If you were shown an algal species that produced large amounts of carotenoids, what would you infer about the ecology of this organism? Explain your reasoning.
    2. If you were shown an algal species that produced a sulfated polysaccharide in its cell walls, what would you infer about the ecology of this organism? Explain your reasoning.
    3. Many green algae have a haplontic life cycle. However, a few marine species exhibit alternation of generations. Why might you expect to see this in marine species?
    4. Plants that specialize in shade-tolerance often have a dark red or purple pigment on the underside of their leaves. Why might this be?
    5. What regions of the spectrum of light do chlorophylls absorb? Which part do they reflect?

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