Expression of Ideas

While researching the Cherokee writing system, a student takes the following notes:
* Sequoyah, a Cherokee silversmith, began developing a writing system for the Cherokee language in 1809.
* He completed the system, a syllabary of 85 characters representing spoken syllables, in 1821.
* Prior to Sequoyah's syllabary, the Cherokee language was purely oral.
* Within a decade of its introduction, the system enabled the Cherokee people to achieve literacy rates higher than those of neighboring European-American settlers.

The student wants to summarize the creation and impact of the Cherokee writing system. Which choice most effectively uses information from the given notes to accomplish this goal?

While preparing a presentation on branches of zoology, a student took the following notes:
* Myrmecology is the branch of entomology focused on the scientific study of ants.
* The name of the field is derived from the Greek words *myrmex* (meaning "ant") and *logos* (meaning "study").
* Myrmecologists research diverse topics, including ant social structures, chemical communication, and ecological roles.
* Key foundational research in the discipline was conducted in the early twentieth century by entomologist William Morton Wheeler.

The student wants to introduce myrmecology to an audience unfamiliar with the field. Which choice most effectively uses information from the given notes to accomplish this goal?

Many cognitive scientists hypothesized that language acquisition in infants relies entirely on domain-general learning mechanisms, such as pattern recognition and statistical learning. A recent study by Dr. Clara Mendez showed that infants are highly sensitive to statistical regularities in speech. ________, Mendez's team observed that this sensitivity alone is insufficient for infants to grasp syntactic structure, which appears to require innate domain-specific constraints.

Which choice completes the passage with the most logical transition?

While preparing a presentation on zoology, a student took the following notes:
* Ethology is the scientific study of animal behavior, particularly under natural conditions.
* It is considered a sub-discipline of zoology.
* The field was formalized by biologists Nikolaas Tinbergen and Konrad Lorenz.
* Ethologists study behaviors such as communication, mating rituals, and social interactions.
* A primary goal of ethology is understanding how behaviors adapt and evolve to assist in animal survival.

The student wants to introduce the field of ethology and define the term. Which choice best uses information from the notes to achieve this goal?

In the field of sociolinguistics, researchers have documented that speakers frequently alter their speech patterns depending on their social environment, a phenomenon known as style-shifting. ________, a bilingual individual might utilize informal slang when conversing with peers but adopt formal grammar and vocabulary during a job interview.

Which choice completes the text with the most logical transition?

While researching the hunting behavior of archerfish, a student takes the following notes:
* Archerfish are freshwater fish known for hunting land-based insects by spitting streams of water.
* In a 2014 study, physicist Stefan Schuster and his team analyzed how archerfish control these water jets.
* The researchers discovered that the fish dynamically adjust the velocity of the water stream during release.
* This adjustment causes the water to gather into a single, high-impact droplet immediately before striking the target.
* The team concluded that archerfish actively calculate and modify the force of their spit based on the distance of their prey.

The student wants to summarize the study and its findings. Which choice most effectively uses information from the given notes to accomplish this goal?

Biologists studying deep-sea ecosystems have long observed the phenomenon of abyssal gigantism, in which certain marine species grow to sizes far exceeding those of their shallow-water relatives. _______, the giant isopod (*Bathynomus giganteus*) can reach a length of up to 30 centimeters, whereas its coastal counterparts typically measure no more than a few centimeters. This stark size difference is hypothesized to be an adaptation to the extreme pressure and scarce food resources characteristic of the deep ocean.

Which choice completes the text with the most logical transition?

While preparing a presentation on environmental biotechnology, a student took the following notes:
* Phytoremediation is a method that uses plants to remove, transfer, or stabilize contaminants in soil and water.
* The term was coined in 1991 by plant biologist Ilya Raskin.
* It is a type of bioremediation, which uses living organisms to clean up polluted environments.
* Certain plants, like Indian mustard, are used because they accumulate high levels of toxic metals.
* Traditional cleanup techniques, like landfilling or soil excavation, are often much more expensive.

The student wants to provide a definition of phytoremediation. Which choice most effectively uses information from the given notes to accomplish this goal?

For decades, paleontologists debated whether dinosaurs were endothermic (warm-blooded) or ectothermic (cold-blooded), with many assuming that their massive size would make active metabolic heating unsustainable. Recent isotopic analysis of fossilized eggshells, which provides a direct record of female body temperatures during ovulation, has revealed internal temperatures comparable to those of modern birds. __________, some researchers argue that these high temperatures might simply reflect passive heat retention from warm environments rather than true endothermy.

Which choice completes the text with the most logical transition?

While many plant species rely on vibrant flower colors to attract specific insect pollinators, the wild ginger (*Asarum canadense*) produces inconspicuous, brown blossoms that grow close to the ground, hidden beneath leaf litter. Early botanists hypothesized that these dull flowers were self-pollinating or relied entirely on crawling insects like ants. __________, recent video-tracking studies show that fungus gnats, flying insects attracted by the flower's fungus-like odor, are the primary pollinators of the plant.

Which choice completes the text with the most logical transition?

Environmental scientists often employ bioremediation strategies that utilize specialized microorganisms to break down pollutants, converting hazardous chemicals into non-toxic byproducts. ________, researchers frequently deploy the marine bacterium *Alcanivorax borkumensis* during ocean oil spill cleanups because it produces unique enzymes that consume hydrocarbons, effectively transforming the contaminants into harmless fatty acids.

Which choice completes the text with the most logical transition?

In behavioral economics, the endowment effect describes the tendency of individuals to value an item more highly simply because they own it. Early researchers hypothesized that this cognitive bias was a universal human trait shaped by evolutionary adaptation. ________, subsequent cross-cultural studies conducted by anthropologists have revealed that the effect is significantly less pronounced, and in some cases entirely absent, among populations in non-industrialized societies that practice communal ownership.

Which choice completes the text with the most logical transition?

Materials scientists studying spider silk have long marvelled at its combination of high tensile strength and extensibility, which allows webs to absorb the impact of flying prey without breaking. ______ researchers have found that dragline silk, the main support thread of a web, can stretch up to forty percent of its original length and support weights comparable to high-grade steel before fracturing.

Which choice completes the text with the most logical transition?

Architects and master builders in medieval Europe developed key Gothic architectural innovations not just to achieve aesthetic grandeur, but to solve pressing structural engineering challenges. ______ they introduced the ribbed vault and the pointed arch to distribute the immense weight of stone ceilings more efficiently than the heavy, semi-circular Romanesque vaults could.

Which choice completes the passage with the most logical transition?

Many plant species possess sophisticated defense mechanisms that allow them to warn neighboring foliage of impending herbivore attacks. ______ when an acacia tree is browsed by an antelope, it releases volatile ethylene gas into the air, signaling nearby acacias to immediately ramp up their production of toxic tannins.

Which choice completes the text with the most logical transition?

A student is researching the Lycurgus Cup, an ancient Roman artifact. The student has taken the following notes:
- The Lycurgus Cup is a 4th-century CE glass cage cup.
- It is made of dichroic glass, which changes color depending on how light passes through it.
- When lit from the front, the cup appears green.
- When lit from behind, the cup glows red.
- This optical effect is caused by gold and silver nanoparticles embedded in the glass.
- The cup is currently housed in the British Museum in London.

The student wants to write a sentence that emphasizes how the Lycurgus Cup's appearance changes depending on the lighting. Which choice most effectively uses information from the given notes to accomplish this goal?

A student is preparing a presentation on the discovery of the Terracotta Army.

* In $1974$, local farmers were digging a water well near Xi'an, China.
* The farmers unearthed fragments of a clay figure, leading to the discovery of the Terracotta Army.
* The Terracotta Army is a collection of thousands of life-sized clay sculptures.
* The sculptures depict the armies of Qin Shi Huang, the first Emperor of China.
* The tomb complex and its sculptures date back to the late third century BCE.

Based on the notes provided, complete the sentence to emphasize the specific activity that led to the $1974$ discovery of the Terracotta Army.

A student is preparing a presentation on the archaeological excavation of Thonis-Heracleion. The student has taken the following notes:
* Thonis-Heracleion was an ancient Egyptian port city that sank into the Mediterranean Sea in the $8\text{th}$ century CE.
* In $2000$, underwater archaeologist Franck Goddio discovered the city's ruins in Abu Qir Bay.
* Among the recovered artifacts was a statue of Hapy, the Egyptian god of the Nile flood.
* The statue is carved from black granite.
* The statue stands $17.7$ feet tall.

The student wants to emphasize the material and size of the Hapy statue. Which choice most effectively uses information from the given notes to accomplish this goal?

Astronomers analyzing the atmospheres of exoplanets have found that some hot Jupiters exhibit weather patterns far more extreme than those seen in our solar system. _______, on the exoplanet HD 189733b, winds can reach speeds of over 5,000 miles per hour, carrying clouds of silicate particles that cause it to rain liquid glass.

Which choice completes the passage with the most logical transition?

Zooarchaeologists studying ancient pastoral societies often analyze stable isotope ratios in animal teeth to reconstruct seasonal migration patterns. ______ by measuring the strontium isotopes in sheep molars, researchers can determine whether the herds were grazed in local valleys or driven to distant highland pastures during the summer months.

Which choice completes the passage with the most logical transition?