Gophers, prairie dogs, and ____________________ are all burrowing animals that interact with and
affect soil.
Fill in the blank(s) with the appropriate word(s).
Question 2Many actinomycetes species produce chemicals that stop growth of other microorganisms, a
phenomenon called ____________________.
Fill in the blank(s) with the appropriate word(s).
Question 3____________________ refers to dead organisms or their products.
Fill in the blank(s) with the appropriate word(s).
Question 4Actinomycetes resemble fungi but are classified as a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Question 5____________________ include simple, one-celled organisms that are considered soil microfauna and
are the most abundant inhabitants in soil. They are often rod-shaped and not visible to the naked eye.
They may grow in chains or colonies.
Fill in the blank(s) with the appropriate word(s).
Question 6Soil organisms that need oxygen are called ____________________.
Fill in the blank(s) with the appropriate word(s).
Question 7Important bacteria include the symbiotic nitrogen fixers ____________________.
Fill in the blank(s) with the appropriate word(s).
Question 8Are protozoa mostly predators, capturing their prey by engulfing them and absorbing them into their
bodies?
Indicate by YES (Y) or NO (N).
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