pond water plankton and algae at the microscope

active algae algea and animal aureus biology black caudatum cell chloroplasts copepod crustacean cyanobacteria daphnia dead details diatoms division footage fresh freshwater lab laboratory lesson life micro microbiology microorganism microscope microscopevolvox microscopic microscopy mite nature nematode nucleus organism ostracod paramecium plankton pond protozoa red rotifer rotten school science small spirogyra training transmitted vegetation volvox waste water zoology