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- 1. Multiple Choice
The word "they" in paragraph 1 refers to
coral colonies
events and circumstances
intricate reef structures
chemical processes
- 2. Multiple Choice
The word "that" in paragraph 2 refers to
the basic element
the development of coralline reef structures
a group of animals
the Anthozoa class
- 3. Multiple Choice
The phrase "an immeasurable number" in paragraph 2 is closest in meaning to
an exact integer
a huge quantity
a surprising total
a changing sum
- 4. Multiple Choice
The word "minute" in paragraph 2 could best be replaced by
tiny
light
timely
soft
- 5. Multiple Choice
The phrase "once-living" in paragraph 3 is closest in meaning to
aging
dead
growing
solitary
- 6. Multiple Choice
The word "hardy" in paragraph 3 is closest in meaning to
difficult
fragile
scarce
rugged
- 7. Multiple Choice
The word "They" in paragraph 3 refers to
coralline structures
upward and outward directions
skeletal remnants
external forces of nature
- 8. Multiple Choice
The word "them" in paragraph 3 refers to
sea animals
sponges and clams
skeletal structures
many openings
- 9. Multiple Choice
The word "borings" in paragraph 4 is closest in meaning to
dull pieces
strange creations
living beings
powdery remnants
- 10. Multiple Choice
The word "ongoing" in paragraph 5 is closest in meaning to
mobile
continuous
increasing
periodic
- 11. Multiple Choice
The phrase "break down" in paragraph 5 is closest in meaning to
cease functioning
interrupt
descend
decompose
- 12. Multiple Choice
The word "that" in paragraph 6 refers to
veriety
life-forms
part
process
- 13. Multiple Choice
The word "their" in paragraph 6 refers to
coralline structures
complicated processes
rounded and more compact shapes
plant and animal life-forms
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