All of the following are mentioned in the discussion of lichens EXCEPT ______.
A. They are capable of producing their own food.
B. They require large amounts of minerals lo prosper.
C. They are a union of two separate plants.
D. They can live thousands of years.
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The word "them" in line 7 refers to ______.
A. Sumerian, Akkadian, and Babylonian
B. bilingual inscriptions
C. cuneiform. tablets
D. scholars
The word “fortuitous” in line 6 is closet in meaning to ______.
A. important
B. sudden
C. early
D. lucky
Which of file following terms is defined in the passage？
A. anchors (line 6)
B. stagnant (line 7)
C. dew (line 14.)
D. ultraviolet (line 16)
What does the phrase "lichen colonies (line 19) suggest？
A. Nothing but lichens live in some locations.
B. Many lichens live together in one area.
C. Lichens displace the plants that surround them.
D. Certain groups of lichens have never been separated.
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