[There's no lofty attitude here--as much as she's probably been helping Irves raise her rattler boa, it's not this boy's critter. Still, Sara has had enough time to observe Irves' pet. It does bring up a certain question...]

What did you feed it when you caught it? My sister fed hers meat, I think, but her egg was scaly. And now it's a snake!

[She does chuckle a little, at that. As for Bokuto's actual question...well, she's got some small talent in botany, so she can help him out, here.]

Moss is a plant; it 'eats' water and maybe some sort of fertilizer, and sunlight.