You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

[EX Q]: Category: SCIENCE GUYS 
Clue: Eugene Dubois died in 1940 still believing his "Java Man" to be this legendary connector between man & ape
[EX A]: the missing link

[EX Q]: Category: RANKS & TITLES 
Clue: Inheriting property & title from her deceased husband made Tz'u-hsi of China this kind of Empress
[EX A]: dowager

[EX Q]: Category: INSECTS 
Clue: This pious carnivore's name is from the Greek for "prophet" or "seer"
[EX A]:
praying mantis