D: Not all insects have antennae. Me: Yes they do. D: Name one! Me: Cockroaches. D: What about those big ones, with claws? Me: That’s not an insect. It’s a crab. They’re crustaceans. D: What about tarantulas? Are they insects? Me: No, they’re arachnids. It’s different. D: Oh. Me: Do you know what defines mammals?...





