The experiment contained 2 sets
including a control set, without zooplankton
and an experimental set, containing M.
macrocopa and B. thailandensis at different
densities (10, 100 and 1,000 individuals put
in separated 250-milliliter flasks with
Chlorella). Chlorophyll a was measured by
extraction using acetone after 24 and 48
hours of releasing zooplankton.