Microbes and Plants: Understanding Viruses

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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?

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?

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?

Lack organelles Signup and view all the answers

What is true about Cyanobacteria as discussed in the text?

They fix nitrogen Signup and view all the answers

What is the pigment that gives red algae their red color?

Phycobilin Signup and view all the answers

Which type of algae is often outcompeted due to its inability to uptake larger amounts of nutrients?

Golden algae Signup and view all the answers

What is the main component of phytoplankton in oligotrophic lakes?

Golden algae Signup and view all the answers

Which type of algae dominates the benthic zones of lakes, streams, and wetlands?

Diatoms Signup and view all the answers

What feature allows Chrysophyceae to move independently of their colony?

Two flagella Signup and view all the answers

Microbes and Plants: Understanding Viruses

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Questions and Answers

What is a characteristic of viruses according to the text?

What contributes to the difficulty of studying virus ecology?

Which factor leads to the highest infection rate by viruses?

What is a characteristic shared by Archaea and Bacteria based on the text?

What is true about Cyanobacteria as discussed in the text?

What is the pigment that gives red algae their red color?

Which type of algae is often outcompeted due to its inability to uptake larger amounts of nutrients?

What is the main component of phytoplankton in oligotrophic lakes?

Which type of algae dominates the benthic zones of lakes, streams, and wetlands?

What feature allows Chrysophyceae to move independently of their colony?

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