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 simplicity, answers should be in all lower cased letters.

[EX Q]: Category: -OLOGIES 
Clue: From the Greek for "growing in", it studies the development of organisms in their earliest stages before birth
[EX A]: embryology

[EX Q]: Category: ANIMAL VERBS 
Clue: Nag or pester persistently
[EX A]: badger

[EX Q]: Category: THE OLD REALTOR'S ALMANAC 
Clue: Let's check the commission chart--a standard 6% of the $500,000 price & half goes to me as seller's agent so I get this sum
[EX A]:
$15,000