Name the stages of the life cycle of a sponge.

vegetative growth phase, gemmulation, cryptobiosi, the hatching of gemmules, regeneration

c.muti cella's eukaryotic organisms began to diversify

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs