Animals
This marine invertebrate can regenerate its entire body from a small portion and shows radial symmetry as an adult but bilateral symmetry as a larva.
What is a sea star (starfish)?
This 1794 treaty, deeply unpopular among Jeffersonians, avoided war with Britain but failed to address impressment.
What is Jay’s Treaty?
Fix the sentence: “After school I went home.” Where should the comma go?
What is between “school” and “I”?
Find the domain of f(x)= 1/(x2-4).
What is (−∞,−2)∪(−2,2)∪(2,∞)?
In Spanish, this mood is used after expressions of doubt, desire, or uncertainty.
What is the subjunctive?
This rare subterranean rodent is immune to cancer, feels no pain from acid, and lives in eusocial colonies.
What is the naked mole rat?
This 1919 U.S. Supreme Court case upheld the Espionage Act, introducing the “clear and present danger” test.
What is Schenck v. United States?
Fix the sentence: “He ran down the stairs and opened the door.” Where could a comma go to clarify compound structure?
What is between “stairs” and “and”?
The function f(x)=3cos(x−π)+1 has this amplitude.
What is 3?
In French, this tense combines “avoir” or “être” with a past participle and is commonly used for completed actions.
What is the passé composé?
This prehistoric arthropod, more closely related to spiders than crabs, uses its book gills to breathe and has remained largely unchanged for 450 million years.
What is the horseshoe crab?
This 19th-century failed slave revolt in Charleston, South Carolina, was led by a literate free Black man and inspired future abolitionist movements.
What is the Denmark Vesey conspiracy?
Fix the sentence: “My favorite authors are Orwell Huxley and Atwood.” Where should commas go?
What is between “Orwell” and “Huxley,” and between “Huxley” and “and”?
Given f(x)=ln(x2−1), what is the domain?
What is (−∞,−1)∪(1,∞)?
In German, this case is used to indicate possession and often ends in -es or -er.
What is the genitive case?
This cephalopod has more neurons in its arms than in its brain and can edit its own RNA to adapt to temperature changes.
What is an octopus?
This landmark but overlooked 1904 Roosevelt-era corollary to a previous doctrine justified U.S. intervention throughout Latin America.
What is the Roosevelt Corollary to the Monroe Doctrine?
Fix the sentence: “The students who studied hard passed the test.” Where should a comma go to change the meaning to imply all students studied hard?
What is between “students” and “who”?
The function f(x)=2tan(x) has vertical asymptotes at these x-values in the interval [−π,π].
What is x=−π/2, π/2?
This Spanish phrase translates as “I had already eaten” and requires the pluperfect.
What is “Ya había comido”?
This rare parasite hijacks a crab’s endocrine system, castrates it, and forces it to care for the parasite’s eggs.
What is a parasitic barnacle (Sacculina)?
This 1919 U.S. Supreme Court case upheld the Espionage Act, introducing the “clear and present danger” test.
What is Schenck v. United States?
Fix the sentence: “No one who knows the risks would willingly participate.” Where should the comma go?
What is: Nowhere — no commas should be added.
This conic section has a constant difference of distances to two fixed points.
What is a hyperbola?
In Japanese grammar, this particle marks the topic of a sentence, often mistranslated as “subject.”
What is は (wa)?