Stag beetle life cycle diagram quiz online. This is a bilogy quiz online for children in 2nd, 3rd, 4th, 5th and 6th grades. The stage beetle life cycle contains different phases of a complete metamorphosis. Students taking this quiz will be shown a diagram of the different stages of development of the beetle. Other species within this category undergo similar stages on their growth and development from egg to adult. This test is an interactive online actvity to review while at home or in school. Teacher and parents will find this free resource useful. There is a printable version of the life cycle in the worksheet below.