'Between about 1325 & 1500 this group expanded from an island or two to control southern Mexico'
Aztecs
200
'The only major sporting event named for a famous TV transvestite is this man's golf tournament'
Jamie Farr (Klinger on "M*A*S*H")
200
'Willem Schouten named this continent's Cape Horn for his Dutch hometown'
South America
200
'Varieties of this ornamental carp include lionhead, comet & fantail'
Goldfish
200
'Flightless bird (3)'
Emu
400
'A new one of these was created in 1917, but the part threatening property rights proved hard to enforce'
Constitution
400
'(Hi, I'm NBA star Alonzo Mourning) In this type of basketball defense, each player guards a specific opponent, not an area'
Man-to-man defense
400
'From the Greek for "a double assumption", you may find yourself "on the horns of" one'
A dilemma
400
'In the 1960s this "walking" fish was introduced into southern Florida, where a large population has been established'
Catfish
400
'Arthurian sword (9)'
Excalibur
600
'The "Cry of Dolores", a speech by Father Hidalgo, sparked the rebellion against this nation'
Spain
600
'From the Greek for "walking on tiptoe", it's another name for a gymnast'
Acrobat
600
'National Geographic found that in Mandalay in the 1980s, this animal's horn was going for $20,000 a kilo'
Rhinoceros
600
'Holy Mackerel! The northern bluefin, the largest species of this fish, may reach a length of 14 feet'
Tuna
600
'A temblor (10)'
Earthquake
800
'Who is that masked man? It's this subcommander of Zapatista rebels:'
Subcomandante Marcos
800
'Michael Jordan once played outfield for the minor league Barons of this Southern city'
Birmingham
800
'Mystery surrounds the origin of this 11-letter word for "to cheat" or "to swindle"'
Hornswaggle
800
'The air bladder of this Russian fish, also known as a beluga, provides a superior grade of isinglass used in making glue'
Sturgeon
800
'Rapturous delight (7)'
Ecstasy
1000
'Lasting until 1911, the 30-year dictatorship of this man is known as the Porfiriato'
Porfirio Diaz
1000
'(Hi, I'm Darryl Green of the Washington Redskins) I intecepted one of this QB's passes in 1992 when the Redskins beat the Buffalo Bills in Super Bowl XXVI'
Jim Kelly
1000
'18th century schoolkids may have learned the alphabet off one of these paddlelike objects'
Hornbook
1000
'Also called the pike perch, this prized freshwater game fish is the largest member of the perch family'