|
Archaea |
Bacteria |
Protists |
Fungi |
Plants |
Animals |
Cell Structures 1: Nucleus |
None |
None |
Yes |
Yes |
Yes |
Yes |
Cell Structures 2: Cell Wall |
Various Polysaccharides (but never cellulose) |
Various Polysaccharides (but never cellulose) |
Variable type, according to species |
Polysaccharide
(chitin) |
Polysaccharide
(cellulose) |
None |
Cell Structures 3: Chloroplast |
None |
No (but Chorophyll is present in some types) |
Yes in some, but not all |
None |
Yes |
None |
Structure: Bodies |
Simple cells |
Single cells, though clumps or strings can form |
Mainly single- cellular, but some are multi-cellular |
Mainly multi-cellular, but some are single-celled |
All are muti-cellular |
All are muti-cellular |
Energy Sources: Food |
Some types can metabolize inorganic
chemicals |
Three types:
Photosynthetic,
Saprophyte,
Parasite |
Three types:
Photosynthetic,
Ingestor,
Combination of the two |
Two types:
Saprophyte,
Parasite |
Photosynthetic |
Two types:
Ingestor,
Parasite |