In the partnership of a lichen, the fungus provides ________ and the relationship is best described as ________.
A. Some of the photosynthesis; commensalism
B. Most of the photosynthesis; symbiosis
C. Structure and moisture-holding ability; mutualism
D. Poisons that deter predation; commensalism
E. Very little to the algal partner; parasitism
Answer: C
Environmental & Atmospheric Sciences
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A) nitrogen B) oxygen C) argon D) ozone E) sulfur
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An advantage of ____________________ is the decrease in birth rates and decrease in abortions
Fill in the blanks with correct word
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Organisms are composed of simple monomers
Indicate whether the statement is true or false
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A)Canada B)China C)The United States D)Egypt E)Denmark
Environmental & Atmospheric Sciences