http://www.onegreenplanet.org... All animals absolutely have a purpose in life http://www.onegreenplanet.org... http://www.onegreenplanet.org... humans smallest necessary processes that enrich the soil They consume decomposing plant matter seed dispersal to plant pollination smallest Humans Wouldn’t Exist Without These 5 Animals smallest Humans Wouldn’t Exist Without These 5 Animals pollinating necessary processes that enrich the soil http://www.onegreenplanet.org... crucial to the Earth's soil most significant animal