Predict and describe how catastrophic events such as floods, hurricanes, or tornadoes impact ecosystems;
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Q 1/10
Score 0
A student sets up the investigation shown. The movement of colored water through the gravel best models —
30
condensation of water vapor
surface runoff of precipitation
conservation of water
pollution of groundwater
Q 2/10
Score 0
A student’s model of an area near a city depicts many activities that affect the quality of the water in the area. How does the agricultural activity most likely affect the surface water of the area?
30
Crops absorb pure water from soil, causing the remaining water to contain more salt.
Crops reduce erosion, increasing the amount of soil entering the river.
Excess crop material accumulates on the riverbanks, slowing the movement of the river water
Excess crop fertilizer is carried by runoff into the river, causing excess growth of water plants.
10 questions
Q.
A student sets up the investigation shown. The movement of colored water through the gravel best models —
1
30 sec
7.8c
Q.
A student’s model of an area near a city depicts many activities that affect the quality of the water in the area. How does the agricultural activity most likely affect the surface water of the area?
2
30 sec
7.8c
Q.
A student drew the model below to represent a part of a watershed and some human activities that affect the watershed. How do the industrial, agricultural, and residential activities of humans most likely affect the groundwater in the area?
3
30 sec
7.8c
Q.
An example of the dramatic effects of ___________ is the shape of the Grand Canyon.
4
30 sec
7.8b
Q.
Why is the soil with growing trees not easily eroded by water?
5
30 sec
7.8b
Q.
Which Catastrophic Event has the biggest impact on Texas?
6
30 sec
7.8a
Q.
What is the definition of ecological succession?
7
30 sec
7.8a
Q.
What are Catastrophic Events?
8
30 sec
7.8a
Q.
Which of the following is most likely to cause the greatest disruption to an ecosystem?
9
30 sec
7.8c
Q.
Deforestation affects both the people and animals in which trees are removed. How does deforestation affect the animals?
