bees pollinate our crops, spiders eat other insects, butterflies make us smile, lightning bugs make us wonder and are fascinating, some small bugs are used to kill larger ones that harm our crops, they help decompose dead things to enrich the soil......

see


http://www.associatedcontent.com/article...


http://www.blurtit.com/q866516.html

one of the most fantastics things I have seen insects do it to help determine and solve mysteries as to a persons time of death. The larva ( magnets) and flies can determine how long a person has been dead setting a time frame.