Large oceanic mammals, like the Humpback whale, have these bristle-like structures in their mouths for filter-feeding instead of teeth.
Baleen
His "dog" may be more famous than he is.
Ivan Pavlov
Sodium Chloride
NaCl
The principal face of a building.
Facade
Name the French lawyer who oversaw the execution of thousands by the guillotine. Ironically, he also ended up on the guillotine himself.
Robespierre
Ducks, frogs, and seals all have this adaptation that helps them swim.
Webbing
The Austrian psychologist who founded psychoanalysis, which focuses on the study of the unconscious mind and dreams.
Sigmund Freud
Hydrochloric Acid
HCl
A buttress that extends from a separate pier; which typically forms an arch with the wall that it supports.
Flying Buttress
Napoleon's most famous battle fought in the Netherlands in 1815. A town in Iowa bears the same name.
Battle of Waterloo
This is the word used to describe the upper shell of Turtle, crustacean, or arachnid.
Carapace
To study operant conditioning, he made a box, bearing his name, in which he could study rats.
BF Skinner
Sulfuric Acid
H2SO4
a piece of art or image made from the assembling of small pieces of colored glass, stone, or other materials. It is often used in decorative art or as interior decoration.
Mosaic
Name the English King that sentenced Thomas More to death by beheading.
King Henry VIII
When an animal has outgrown the usefulness of a body part due to evolution, it is said to be this type of structure.
Vestigial
His theory of cognitive development describes the process in which young children develop intelligence.
Jean Piaget
Glucose
C6H12O6
This large, circular, and stained glass filled window, with a floral name, was spared by the fire at Notre Dame Cathedral.
Rose Window
Name the city in which Shakespeare was born.
Stratford-upon-Avon
Nematocysts
Self-esteem and self-actualization are at the top of his Hierarchy of Needs.
Abraham Maslow
Benzene
C6H6
Name two of the three orders that are used to describe the Ancient Greek columns.
Ionic, Doric, or Corinthian
Name the assassin who killed Archduke Ferdinand, and pushed Europe over the edge and into the Great War.
Gavrilo Princip