18. Fungi
CHARACTERISTICS
EXPLANATION
1. SIZE
10 μm – 100 μm
( 1 μm = 0.001 mm)
2. SHAPE
Spherical
Network of filament
3. MODES OF NUTRITION
Saprophytic and Parasitic
4. HABITAT
Dark and damp places include decaying matter and
bodies of living organisms
5. REPRODUCTION
Asexual (Budding, Spore formation) and Sexual
(Conjugation)
28. VIRUS
•
•
•
•
The smallest microorganisms
Do not have cellular organisation
Do not show characteristics of living cells
Do not have cytoplasm, plasma membrane and
nucleus
• Can be crystallised
• Do not feed, respire, excrete or grow
• Made up of nucleic acids (DNA) enclosed by
protein coat
29. Virus
CHARACTERISTICS
EXPLANATION
1. SIZE
0.02 μm – 0.4 μm
( 1 μm = 0.001 mm)
2. SHAPE
Spherical
rod-shaped
cubic
3. MODES OF NUTRITION
Virus do not feed
4. HABITAT
Live in living host cells, form crystals outside a living
cell