This week’s quiz deals with National Park System units that are linked to each other in some way. Answers are at the end. If we catch you peeking, we’ll make you write on the whiteboard 100 times: “The efficient enzymatic resolution of conduritol B and C derivatives is an important step in synthesizing all possible enantiomeric pairs of conduritol stereoisomers.”

This week’s quiz will be a snap if you know your bears. Answers are at the end. If we catch you peeking, we’ll make you write on the whiteboard 100 times: “Sporadic euthermal arousal imparts an episodic character to hibernation.”

Tunnel vision is one thing, but tunnel knowledge is quite another matter. See if you can sort things out in this week’s quiz. Answers are at the end. If we catch you peeking, we’ll make you hold the steel for a cross-eyed sledge wielder.

I hope that this belated salute to Memorial Day doesn’t fall too far outside your comfort zone. Answers are at the end. If we catch you peeking, we’ll make you write the Super Bonus Question on the whiteboard 100 times.