
Bighorn Sheep Ecosystem Dynamics

Interactive Video
•
Biology, Geography, History
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What event led to the separation of sheep into two distinct populations in North America?
The arrival of European settlers
The last glaciation
The crossing of the Bering Land Bridge
The introduction of domestic livestock
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What factor contributed to the decline of Sierra bighorn sheep populations in the 1980s?
Increased hunting by humans
Introduction of invasive plant species
High levels of mountain lion predation
Severe drought conditions
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the primary focus of Robert Bettinger's archaeological studies?
The impact of climate change on ecosystems
The spread of culture in Western North America
The migration patterns of bighorn sheep
The introduction of domestic livestock
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the dominant prey species in the highland archaeological record?
Mountain sheep
Mountain lions
Bison
Deer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What major change in vegetation occurred due to grazing by domestic livestock?
Desertification of the region
Expansion of grasslands
Transformation to sagebrush steppes
Increase in forested areas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the primary cause of the transformation from grasslands to sagebrush steppes?
Natural forest fires
Climate change
Grazing by cows and sheep
Invasive plant species
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do mountain lions play in the altered ecosystem?
They have no significant impact
They primarily prey on bighorn sheep
They are dependent on deer populations
They help control invasive plant species
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