3. Binary Fission
• Parent divides into halves after
nucleus replicates
• No parent remains daughter cells
grow to normal size
• Occurs in , , and
2 equal
2
bacteria protozoa
algae
4.
5.
6. Spore formation
• When the fungus has plentiful supply of
nutrients an aerial hyphae grows vertically
the tip swells and many spores are
produced and released
• Eg. Bread mold (Mucor)
7.
8. Tuber formation
Enlarged underground stem
Ex. potato
• Tubers form at end of stems that grow into
soil.Stems swell into organs that store
starch,when plant dies back at the end of
season tubers remain in soil until next growing
season