a frog is a kind of amphibian & trunk standing recycling ->  frogs lay eggs  reproduction only occurs during adulthood & an nation of original is boiling family -> laying eggs only occurs during adulthood laying eggs only occurs during adulthood  frogs lay eggs & laying eggs only occurs during adulthood -> average only standing month during minority frogs only lay eggs during adulthood  average only standing month during minority & adulthood is a stage in the life cycle process -> frogs only lay eggs during the adult stage of the life cycle process