For example, some parasitic species prey on a host organism and then lay their eggs on it for their offspring to feed on it while it continues to live in or on its decaying corpse after it has died.
The key characteristic of predation however is the predator's direct impact on the prey population.
The first float was a cart sporting a papier-mache cow's head.
The parade has evolved into something quite spectacular, featuring elaborate floats and costumes.
The song is a folk song, with variants to the lyrics and to the tune used for the song (a common tune is that of "Mamma Mia" by Abba).
Thus predation is often, though not always, carnivory.