Magnification of Chlorella Cell (X600)

• Microorganisms about 6 microns (6/1000 millimeter)
• Single cell algae that emerge over 2 billion years ago
• Discovered in late 19th century
• "chlor" is green, "ella" indicates small
• The base food for all the creature

Structure of Chlorella Pyrenoidosa (X23,600)

• Surface is covered with cell wall
• (CW) which is mostly cellulose
• (N) Nucleus
• (S) Starch Grains
• (C) Belt shape Chloroplast
• (M) Mitochondria produces the energy for the cell

Pre-cambrian Chlorella Fossil (X3000)

• No distinction between male and female
• Reproduced asexually
• Divides itself to reproduce
• Produce an astounding 4 daughter cells every 20 hours!