Explanation:
Some things consist of only one cell. They are called unicellular organisms. One of the simplest living things, an amoeba, is made of only one cell. Amoebas (sometimes spelled amebas or amoebae) are too small to be seen without a microscope, but they are commonly found in ponds and lakes
A decrease in number of consumers because there is less available area for them to root in the soil and stuff which would consequently result in a decline of consumers as the producers would decreases and yada yada
Solid milk and solid food
The purpose of the experiment is to test a hypothesis and draw a conclusion