<P> Angiosperm life cycle </P> <Li> <P> Tip of tulip stamen showing pollen (microgametophytes) </P> </Li> <P> Tip of tulip stamen showing pollen (microgametophytes) </P> <Li> <P> Plant ovules (megagametophytes): Gymnosperm ovule on left, angiosperm ovule (inside ovary) on right </P> </Li>

Growth occurs because the organism is producing new