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Benchmark Most Missed Questions
4. As continents formed, Earth’s climate changed
and exposed more land. How did climate
changes make the environment more favorable
for reptiles than amphibians?
• Less water was available as the climate became cooler, which favored
reptiles.
• More water became available as the climate became wetter, which
favored reptiles.
• More water became available as the climate became warmer, which
favored reptiles.
Benchmark Most Missed Questions
5. Which best explains how a watershed
compares to a river basin?
• A watershed is a ridge of land separating bodies of water, and a river basin flows
over the ground surface like runoff.
• A watershed is a river connecting to a larger river, and a river basin is a land area
supplying water to the watershed.
• A watershed is a land area supplying water to small rivers, and a river basin is
comprised of many interconnected watersheds and their tributaries.
• A watershed flows over the ground surface runoff, and a river basin is a layer of
permeable rock and soil in which water fills the cracks and pores.
Benchmark Most Missed Questions
9. Which is the source of most drinking water in
North Carolina?
• Lakes
• Rivers
• Springs
• Aquifers
Benchmark Most Missed Questions
14. Which best describes an important benefit
of upwelling to marine ecosystems?
• Upwelling increases the biological productivity of the ecosystem.
• Upwelling decreases the need for light in deeper areas of the ecosystem.
• Upwelling decreases the need for decomposers in the food web of the
ecosystem.
• Upwelling increases the chance of photosynthesis in deeper parts of the
ecosystem.
Benchmark Most Missed Questions
17. What is being checked if a scientist is testing
a stream’s turbidity?
• Salinity
• Vegetation
• Water flow
• Sediment load
Benchmark Most Missed Questions
21. Which best describes how turbid water can
negatively affect the health of a water system?
• Turbid water can result in extremely elevated oxygen and pH levels.
• Turbid can clog fish gills and prevent egg and larval development.
• Turbid water can increase growth rates of fish and other aquatic life forms.
• Turbid water can promote resistance to disease while increasing algae production.
Benchmark Most Missed Questions
25. A flask holds 500mL of nutrient liquid containing a mixture of
foods consumed by protists. Ten organisms each of five different
protist species are placed into the flask. The table shows the
protist population sizes over a 15- day period.
Species
Day 1
Day 3
Day 5
Day 7
Day 9
Day 11
Day 13
Day 15
V
10
15
25
38
51
68
79
99
W
10
14
19
28
41
58
72
96
X
10
13
20
24
37
48
55
64
Y
10
13
16
23
19
14
9
3
Z
10
17
26
39
51
59
65
76
Which species most likely competed with species V for food?
•
•
•
•
W
X
Y
Z
Benchmark Most Missed Questions
29. Which is the primary benefit of protecting
and preserving a river basin?
• To ensure safe levels of groundwater
• To promote healthy aquatic ecosystems
• To drain water falling on surrounding land
• To slow the rapid growth of land development