Science 8 - Testlet 014- Life Science

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Mountain Lion Sightings
Students study mountain lion sightings in Missouri. Mountain lions are large predators in the cat family. A mountain lion is shown below.

The students compare the two maps of Missouri below. The map in Figure 1 shows habitat suitability for mountain lions. The map in Figure 2 shows where mountain lions were seen between 1994 and 2021.

Living organisms like mountain lions need resources from the environment to survive and reproduce, including energy sources, space to live, and mates. Mountain lions are carnivorous predators that eat primary consumers like deer, rabbits, and bighorn sheep. They also eat opossums, raccoons, skunks, and coyotes. Mountain lions usually hunt at night and silently stalk or hunt prey from behind. Mountain lions are found in many different types of ecosystems across North America and can make their home anywhere there is shelter and prey.

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A student studied facts about mountain lions. The list shows the student’s research.

Explain how one characteristic benefits species survival for the mountain lion.

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In 1999, a mountain region began controlling the mountain lion population in an effort to protect populations of other organisms. One major organism this effort was trying to protect was the desert bighorn sheep. The graph below shows the desert bighorn sheep population from 1980 to 2016 for the mountain region.

Controlling the mountain lion population allowed __________ in the population of desert bighorn sheep due to __________.

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In order to understand how mountain lions interact with their environment, a researcher studied the populations of two other mammals that live in the same Missouri ecosystem, shown in the graph below.

The graph shows a general pattern that the population of mammal X __________ the population of mammal Y. The graph provides evidence that mammal Y is most likely a __________.

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Mountain Lion Sightings
Students study mountain lion sightings in Missouri. Mountain lions are large predators in the cat family. A mountain lion is shown below.

The students compare the two maps of Missouri below. The map in Figure 1 shows habitat suitability for mountain lions. The map in Figure 2 shows where mountain lions were seen between 1994 and 2021.

Living organisms like mountain lions need resources from the environment to survive and reproduce, including energy sources, space to live, and mates. Mountain lions are carnivorous predators that eat primary consumers like deer, rabbits, and bighorn sheep. They also eat opossums, raccoons, skunks, and coyotes. Mountain lions usually hunt at night and silently stalk or hunt prey from behind. Mountain lions are found in many different types of ecosystems across North America and can make their home anywhere there is shelter and prey.

Select the two most likely ways an increased mountain lion population would affect Missouri ecosystems.

Missouri would experience a decrease in the total number of producers due to mountain lions eating more plants.

Missouri would experience an increase in coyote population due to predation and competition.

Missouri would experience a decrease in the amount of space available for other large predators.

Missouri would experience an increase in the amount of water available for other large predators.

Missouri would experience a decrease in deer population due to mountain lion predation.

A student studied facts about mountain lions. The list shows the student’s research.

Explain how one characteristic benefits species survival for the mountain lion.

From 1919 to 1994, there were no confirmed mountain lion sightings in Missouri. Most mountain lion sightings occurred in western parts of the United States. Which explanation best explains why mountain lion sightings began again in Missouri in 1994?

Increased human populations in western states forced some mountain lions to begin to search for new habitats.

The building of new highways provided better routes for mountain lions to travel from western states to Missouri.

Increased prey populations in western states caused mountain lions to travel in search of food.

New hunting regulations in western states increased the amount of prey for mountain lions, causing them to search for new food sources in new locations.

In 1999, a mountain region began controlling the mountain lion population in an effort to protect populations of other organisms. One major organism this effort was trying to protect was the desert bighorn sheep. The graph below shows the desert bighorn sheep population from 1980 to 2016 for the mountain region.

Controlling the mountain lion population allowed __________ in the population of desert bighorn sheep due to __________.

In order to understand how mountain lions interact with their environment, a researcher studied the populations of two other mammals that live in the same Missouri ecosystem, shown in the graph below.

The graph shows a general pattern that the population of mammal X __________ the population of mammal Y. The graph provides evidence that mammal Y is most likely a __________.

Select the two most likely ways an increased mountain lion population would affect Missouri ecosystems.

Missouri would experience a decrease in the total number of producers due to mountain lions eating more plants.

Missouri would experience an increase in coyote population due to predation and competition.

Missouri would experience a decrease in the amount of space available for other large predators.

Missouri would experience an increase in the amount of water available for other large predators.

Missouri would experience a decrease in deer population due to mountain lion predation.

From 1919 to 1994, there were no confirmed mountain lion sightings in Missouri. Most mountain lion sightings occurred in western parts of the United States. Which explanation best explains why mountain lion sightings began again in Missouri in 1994?

Increased human populations in western states forced some mountain lions to begin to search for new habitats.

The building of new highways provided better routes for mountain lions to travel from western states to Missouri.

Increased prey populations in western states caused mountain lions to travel in search of food.

New hunting regulations in western states increased the amount of prey for mountain lions, causing them to search for new food sources in new locations.

Science 8 - Testlet 014- Life Science

Mountain Lion Sightings

A student studied facts about mountain lions. The list shows the student’s research.Explain how one characteristic benefits species survival for the mountain lion.

Mountain Lion Sightings

Select the two most likely ways an increased mountain lion population would affect Missouri ecosystems.

A student studied facts about mountain lions. The list shows the student’s research.Explain how one characteristic benefits species survival for the mountain lion.

From 1919 to 1994, there were no confirmed mountain lion sightings in Missouri. Most mountain lion sightings occurred in western parts of the United States. Which explanation best explains why mountain lion sightings began again in Missouri in 1994?

A student studied facts about mountain lions. The list shows the student’s research.

Explain how one characteristic benefits species survival for the mountain lion.

A student studied facts about mountain lions. The list shows the student’s research.

Explain how one characteristic benefits species survival for the mountain lion.