Question

Starting with a context diagram, draw as many nested DFDs as you consider necessary to represent all the details of your times portal system described in the following narrative. You must draw at least a context and level-1 DFD. In drawing these diagrams, if you discover that the narrative is incomplete, make up reasonable explanations to complete the story.

Answer 1

The larvae of mosquitoes live in water and provide food for fish and other wildlife, including larger larvae of other species such as dragonflies. The mosquito larvae themselves consume a lot of organic matter in wetlands, helping recycle nutrients back into the ecosystem.