In the 3-28-2019 Jeopardy! match, the players got all the clues in the THING 1 & THING 2 category:

($400) As the name implies, this sealing base of paint should be Thing 1 on your dry wood before the color coat
($800) Pulling off the highway to change a tire? Put on your hazard lights, then Thing 2 you should do is engage this on your car
($1200) This liquid, Ingredient No. 2 in a household task, was invented because older dyes made cotton fabric harsh & stiff
($1600) If Thing 1 is to plant your garden, the 2nd thing to do is add this 5-letter material such as cedar chips or river rock
($2000) When you make a roux, after the butter is melted, add this as the next ingredient

ANSWERS: show

They got these clues in FOR THE BIRDS, except the first one (*)

*($400) Birds are unique in having these, the obvious characteristic that distinguishes them from all other modern animals
($800) Birds do it, bees do it, it being this act that fertilizes flowers; hummingbirds & honeycreepers are noted for it
($1600) A native Brazilian word is the source of the name of this tropical bird that has a large brightly colored beak
($2000) Appropriately, the sacred type of this bird was sacred to ancient Egyptians

ANSWERS: show

The $1200 clue was a Daily Double. You’ll find that and more information on Final Jeopardy! on Fikkle Fame’s full Daily Jeopardy! Recap