"Did you water the Earth Humans exhibit?"
"Yeah. They're not doing so well, though."
"That's because you clowns keep forgetting to water them. Earth is a WATER PLANET. These things are 70% water. Yet every time I look in their containment, they're all dried out. I think they wash up on that hunk of terra and get stuck."
"I watered them. I filled it to the top this time. They just... They don't look very happy. They're losing weight. They don't eat, sleep, or even mate."
"Sir? I hate to interrupt you two, but...I think our Humans are dead."