Week 4

This week when I observed my micro aquarium the first thing I noticed was how much plant life had grown since my visit the previous week. There has been an explosion of algal growth leading to a much denser vegetative population in the middle of the water column . In terms of aquatic life, the growth trend continues to lean towards larger organisms as there are now an abundance of cyclops and larger seed shrimp but fewer rotifera. Evidence of predation is all over the bottom muck layer as it is littered with corpses of smaller seed shrimp. The spilled water from the previous week as condensed the water column as expected forcing the smaller organisms into contact with the larger predators , which I believe is a direct cause for the drastic population decrease of the smaller organisms.