Phoebe is taking samples to determine the populations of aquatic life in different areas of a lake. She takes samples from different areas of the lake and finds the marine life listed in the chart below. What can Phoebe infer from the data in the table?


Location 1 Location 2 Location 3 Location 4
Insects 13 20 18 15
Crawfish 8 15 20 22
Fish 3 11 13 12
Other 5 2 8 4