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Utah is home to Pando, a colony of about 47,000 quaking aspen trees that all share a single root system. Pando is one of the largest single organisms by mass on Earth, but ecologists are worried that its growth is declining in part because of grazing by animals. The ecologists say that strong fences could prevent deer from eating young trees and help Pando start thriving again.

According to the text, why are ecologists worried about Pando?
Difficulty: Medium
A:

It isn't growing at the same rate it used to.

B:

It isn't producing young trees anymore.

C:

It can't grow into new areas because it is blocked by fences.

D:

Its root system can't support many more new trees.

Although many transposons, DNA sequences that move within an organism's genome through shuffling or duplication, have become corrupted and inactive over time, those from the long interspersed nuclear elements (LINE) family appear to remain active in the genomes of some species. In humans, they are functionally important within the hippocampus, a brain structure that supports complex cognitive processes. When the results of molecular analysis of two species of octopus--an animal known for its intelligence--were announced in 2022, the confirmation of a LINE transposon in Octopus vulgaris and Octopus bimaculoides genomes prompted researchers to hypothesize that that transposon family is tied to a species' capacity for advanced cognition.

Which finding, if true, would most directly support the researchers' hypothesis?
Difficulty: Medium
A:

The LINE transposon in O. vulgaris and O. bimaculoides genomes is active in an octopus brain structure that functions similarly to the human hippocampus.

B:

The human genome contains multiple transposons from the LINE family that are all primarily active in the hippocampus.

C:

A consistent number of copies of LINE transposons is present across the genomes of most octopus species, with few known corruptions.

D:

O. vulgaris and O. bimaculoides have smaller brains than humans do relative to body size, but their genomes contain sequences from a wider variety of transposon families.

The following text is from Jane Austen's 1811 novel Sense and Sensibility. Elinor lives with her younger sisters and her mother, Mrs. Dashwood.

Elinor, this eldest daughter, whose advice was so effectual, possessed a strength of understanding, and coolness of judgment, which qualified her, though only nineteen, to be the counsellor of her mother, and enabled her frequently to counteract, to the advantage of them all, that eagerness of mind in Mrs. Dashwood which must generally have led to imprudence. She had an excellent heart;--her disposition was affectionate, and her feelings were strong; but she knew how to govern them: it was a knowledge which her mother had yet to learn; and which one of her sisters had resolved never to be taught.

According to the text, what is true about Elinor?
Difficulty: Easy
A:

Elinor often argues with her mother but fails to change her mind.

B:

Elinor can be overly sensitive with regard to family matters.

C:

Elinor thinks her mother is a bad role model.

D:

Elinor is remarkably mature for her age.

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Sample of Food Items from Gemini Mission
Menus
Food item Day Meal
Sugar cookie cubes 1 B
Chicken and vegetables 2 B
Shrimp cocktail 4 C
Hot cocoa 3 A
To make sure they got the nutrition they needed while in space, the astronauts of NASA's Gemini missions were given menus for three meals a day (meals A, B, and C) on a four-day rotating schedule. Looking at the sample of food items from these menus, a student notes that on day 1, the menu included ________


Which choice most effectively uses data from the table to complete the statement?
Difficulty: Easy
A:

shrimp cocktail for meal B.

B:

hot cocoa for meal C.

C:

sugar cookie cubes for meal B.

D:

chicken and vegetables for meal A.

Biologists have predicted that birds' feather structures vary with habitat temperature, but this hadn't been tested in mountain environments. Ornithologist Sahas Barve studied feathers from 249 songbird species inhabiting different elevations--and thus experiencing different temperatures--in the Himalaya Mountains. He found that feathers of high-elevation species not only have a greater proportion of warming downy sections to flat and smooth sections than do feathers of low-elevation species, but high-elevation species' feathers also tend to be longer, providing a thicker layer of insulation.

Which choice best states the main idea of the text?
Difficulty: Medium
A:

Barve's investigation shows that some species of Himalayan songbirds have evolved feathers that better regulate body temperature than do the feathers of other species, contradicting previous predictions.

B:

Barve found an association between habitat temperature and feather structure among Himalayan songbirds, lending new support to a general prediction.

C:

Barve discovered that songbirds have adapted to their environment by growing feathers without flat and smooth sections, complicating an earlier hypothesis.

D:

The results of Barve's study suggest that the ability of birds to withstand cold temperatures is determined more strongly by feather length than feather structure, challenging an established belief.

Researchers recently found that disruptions to an enjoyable experience, like a short series of advertisements during a television show, often increase viewers' reported enjoyment. Suspecting that disruptions to an unpleasant experience would have the opposite effect, the researchers had participants listen to construction noise for 30 minutes and anticipated that those whose listening experience was frequently interrupted with short breaks of silence would thus _______

Which choice most logically completes the text?
Difficulty: Hard
A:

find the disruptions more irritating as time went on.

B:

rate the listening experience as more negative than those whose listening experience was uninterrupted.

C:

rate the experience of listening to construction noise as lasting for less time than it actually lasted.

D:

perceive the volume of the construction noise as growing softer over time.

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"Loon Point" is a 1912 poem by Amy Lowell. In the poem, which presents a nighttime scene on a body of water, Lowell describes an element of nature as an active participant in the experience, writing, _________

Which quotation from "Loon Point" most effectively illustrates the claim?
Difficulty: Medium
A:

"Through the water the moon writes her legends / In light, on the smooth, wet sand."

B:

"Softly the water ripples / Against the canoe's curving side."

C:

"Or like the snow-white petals / Which drop from an overblown rose."

D:

"But the moon in her wayward beauty / Is ever and always the same."

Nucleobase Concentrations from Murchison Meteorite and Soil Samples in Parts per Billion
Nucleobase Murchison meteorite sample 1 Murchison meteorite sample 2 Murchison soil sample
Isoguanine 0.5 0.04 not detected
Purine 0.2 0.02 not detected
Xanthine 39 3 1
Adenine 15 1 40
Hypoxanthine 24 1 2
Employing high-performance liquid chromatography—a process that uses pressurized water to separate material into its component molecules—astrochemist Yashiro Oba and colleagues analyzed two samples of the Murchison meteorite that landed in Australia as well as soil from the landing zone of the meteorite to determine the concentrations of various organic molecules. By comparing the relative concentrations of types of molecules known as nucleobases in the Murchison meteorite with those in the soil, the team concluded that there is evidence that the nucleobases in the Murchison meteorite formed in space and are not the result of contamination on Earth.
Which choice best describes data from the table that supports the team’s conclusion? 
Difficulty: Hard
A:

lsoguanine and purine were detected in both meteorite samples but not in the soil sample.

B:

Adenine and xanthine were detected in both of the meteorite samples and in the soil sample.

C:

Hypoxanthine and purine were detected in both the Murchison meteorite sample 2 and in the soil sample.

D:

lsoguanine and hypoxanthine were detected in the Murchison meteorite sample 1 but not in sample 2.

Paleontologists searching for signs of ancient life have found many fossilized specimens of prehistoric human ancestors, including several from the Pleistocene era discovered in a geological formation in the Minatogawa quarry in Japan. However, to study the emergence of the earliest multicellular organisms to appear on Earth, researchers must turn elsewhere, such as to the Ediacaran geological formation at Mistaken Point in Canada. A UNESCO World Heritage Site, the 146-hectare reserve contains more than 10,000 fossils that together document a critical moment in evolutionary history.

What does the text indicate about the geological formation at Mistaken Point?
Difficulty: Medium
A:

It holds a greater number of fossils but from a smaller variety of species than the formation in the Minatogawa quarry does.

B:

It has provided evidence that the earliest human species may have emerged before the Pleistocene era.

C:

It is widely considered by paleontologists to be the most valuable source of information about prehistoric life forms.

D:

It contains specimens from an older time period than those found in the formation in the Minatogawa quarry.

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The following text is adapted from Johanna Spyrfi's 1881 novel Heidi (translated by Elisabeth Stork in 1915). Eight-year-old Heidi and her friend's grandmother are looking at some illustrated books.

Heidi had come and was looking with wondering eyes at the splendid pictures in the large books, that Grandmama was showing her. Suddenly she screamed aloud, for there on the picture she saw a peaceful flock grazing on a green pasture. In the middle a shepherd was standing, leaning on his crook. The setting sun was shedding a golden light over everything. With glowing eyes Heidi devoured the scene.

Which choice best states the main idea of the text?
Difficulty: Easy
A:

Heidi is upset until she sees a serene image of a pasture in one of Grandmama's books.

B:

Heidi is delighted and fascinated by an image she sees in one of Grandmama's books.

C:

Heidi is initially frightened by an image in one of Grandmama's books but quickly comes to appreciate its beauty.

D:

Heidi is inspecting an image in one of Grandmama's books because she has never seen a shepherd with his sheep before.

Many of William Shakespeare's tragedies address broad themes that still appeal to today's audiences. For instance, Romeo and Juliet, which is set in the Italy of Shakespeare's time, tackles the themes of parents versus children and love versus hate, and the play continues to be read and produced widely around the world. But understanding Shakespeare's so-called history plays can require a knowledge of several centuries of English history. Consequently, ___________

Which choice most logically completes the text?
Difficulty: Hard
A:

many theatergoers and readers today are likely to find Shakespeare's history plays less engaging than the tragedies.

B:

some of Shakespeare's tragedies are more relevant to today's audiences than twentieth-century plays.

C:

Romeo and Juliet is the most thematically accessible of all Shakespeare's tragedies.

D:

experts in English history tend to prefer Shakespeare's history plays to his other works.

The following text is adapted from Edgar Allan Poe's 1849 story "Landor's Cottage."

During a pedestrian trip last summer, through one or two of the river counties of New York, I found myself, as the day declined, somewhat embarrassed about the road I was pursuing. The land undulated very remarkably; and my path, for the last hour, had wound about and about so confusedly, in its effort to keep in the valleys, that I no longer knew in what direction lay the sweet village of B----, where I had determined to stop for the night.

Which choice best states the main idea of the text?
Difficulty: Medium
A:

The narrator remembers a trip he took and admits to getting lost.

B:

The narrator recalls fond memories of a journey that he took through some beautiful river counties.

C:

The narrator describes what he saw during a long trip through a frequently visited location.

D:

The narrator explains the difficulties he encountered on a trip and how he overcame them.

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Mosasaurs were large marine reptiles that lived in the Late Cretaceous period, approximately 100 million to 66 million years ago. Celina Suarez, Alberto Perez-Huerta, and T. Lynn Harrell Jr. examined oxygen-18 isotopes in mosaaur tooth enamel in order to calculate likely mosaaur body temperatures and determined that mosaurs were endothermic--that is, they used internal metabolic processes to maintain a stable body temperature in a variety of ambient temperatures. Suarez, Perez-Huerta, and Harrell claim that endothermy would have enabled mosaurs to include relatively cold polar waters in their range.

Which finding, if true, would most directly support Suarez, Perez-Huerta, and Harrell's claim?
Difficulty: Hard
A:

Mosasaurs' likely body temperatures are easier to determine from tooth enamel oxygen-18 isotope data than the body temperatures of nonendothermic Late Cretaceous marine reptiles are.

B:

Fossils of both mosaurs and nonendothermic marine reptiles have been found in roughly equal numbers in regions known to be near the poles during the Late Cretaceous, though in lower concentrations than elsewhere.

C:

Several mosaaur fossils have been found in regions known to be near the poles during the Late Cretaceous, while relatively few fossils of nonendothermic marine reptiles have been found in those locations.

D:

During the Late Cretaceous, seawater temperatures were likely higher throughout mosaurs' range, including near the poles, than seawater temperatures at those same latitudes are today.

Accomplished printmaker and sculptor Elizabeth Catlett (1915-2012) used her art to explore the Black experience in the United States. In a paper for an art history class, a student claims that Catlett had a particular talent for unifying various artistic traditions and styles in her work.

Which quotation from a scholar describing Catlett's work would best support the student's claim?
Difficulty: Medium
A:

"In Mother and Child, a sculpture of two Black figures, Catlett used an ancient Indigenous sculpting technique and combined the visual aesthetic of modern Mexican muralists with that of German artist Kathe Kollwitz."

B:

"In her collage New Generation, Catlett overlaid fabric onto the canvas to represent the clothing of a father and his toddler, positioned to evoke classic images of a mother and child."

C:

"Created in 1968, Catlett's sculpture Black Unity, a stylized fist sculpted from mahogany and measuring two feet across, remains an important piece and has received renewed and well-deserved attention in recent years."

D:

"One series of Catlett's prints, made by the artist using the linoleum cut method, depicts several notable African American women, including Harriet Tubman and Sojourner Truth."

A student is examining a long, challenging poem that was initially published in a quarterly journal without explanatory notes, then later republished in a stand-alone volume containing only that poem and accompanying explanatory notes written by the poet. The student asserts that the explanatory notes were included in the republication primarily as a marketing device to help sell the stand-alone volume.

Which statement, if true, would most directly support the student's claim?
Difficulty: Medium
A:

The text of the poem as published in the quarterly journal is not identical to the text of the poem published in the stand-alone volume.

B:

Many critics believe that the poet's explanatory notes remove certain ambiguities of the poem and make it less interesting as a result.

C:

The publishers of the stand-alone volume requested the explanatory notes from the poet in order to make the book attractive to readers who already had a copy of the poem in a journal issue.

D:

Correspondence between the poet and the publisher reveals that the poet's explanatory notes went through several drafts.

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