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Questions and Answers
What is a characteristic of viruses according to the text?
What is a characteristic of viruses according to the text?
- Require a host to live (correct)
- Can reproduce asexually
- Contain a nucleus and organelles
- Are photosynthetic
What contributes to the difficulty of studying virus ecology?
What contributes to the difficulty of studying virus ecology?
- Absorption by macroscopic organisms
- Random contact with host cells (correct)
- Slow evolution
- Low mutation rate
Which factor leads to the highest infection rate by viruses?
Which factor leads to the highest infection rate by viruses?
- High density of host cells (correct)
- Short survival time outside the host
- Low density of host cells
- Presence of UV light
What is a characteristic shared by Archaea and Bacteria based on the text?
What is a characteristic shared by Archaea and Bacteria based on the text?
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What is true about Cyanobacteria as discussed in the text?
What is true about Cyanobacteria as discussed in the text?
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What is the pigment that gives red algae their red color?
What is the pigment that gives red algae their red color?
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Which type of algae is often outcompeted due to its inability to uptake larger amounts of nutrients?
Which type of algae is often outcompeted due to its inability to uptake larger amounts of nutrients?
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What is the main component of phytoplankton in oligotrophic lakes?
What is the main component of phytoplankton in oligotrophic lakes?
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Which type of algae dominates the benthic zones of lakes, streams, and wetlands?
Which type of algae dominates the benthic zones of lakes, streams, and wetlands?
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What feature allows Chrysophyceae to move independently of their colony?
What feature allows Chrysophyceae to move independently of their colony?
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