When two dance flies love each other    If they are heterosexual    One of the dance flies fixes up something to eat      He gathers today insect's parts like beetles and butterflies    Or maybe just flower petals    If his woman doesn't eat meat      Biological romance    Sing it again    Biological romance    Romance romance      When two penguins love each other    If they are heterosexual    The male penguins picks a pebble up off the street      He presents it to her like a diamond ring    And of in the snow they go tobogganing    And they get hungry, so he gets his woman something to eat      Biological romance    Sing it again    Biological romance    Romance romance      So there are these two frogs, a frog named Jeff and a frog named Greg, and they are in love! But their parents, they do not approve. So one day Jeff decides to turn himself into a girl frog because frogs can do that, you know. And he turns into Margaret, and Margaret and Greg get married and live happily ever after!      Biological romance    Sing it again    Biological romance    Romance romance      Biological romance    One more time    Biological romance