BACTERIA & ARCHAEA

Question 1

Domain Characteristics: Archaea

Answer 1

• Prokaryotic, unicellular, extremophilic (extreme tolerating)

Question 2

Domain Characteristics: Bacteria

Answer 2

• Unicellular (some colonial), prokaryotic, nutrition by absorption

Question 3

Domain Characteristics: Eukarya

Answer 3

• Unicellular, colonial or multicellular. Eukaryotic cells. Nutrition by absorption, ingestion or photosynthesis

Question 4

Bacteria

Answer 4

-Most abundant organisms on earth -Most heterotrophic, some autotrophic, some decomposers -Prokaryotic: Cells lack membrane-bound nucleus, no complex organelles

Answer 5

•Bacilli – rod-shaped

Answer 6

•Cocci – spherical

Answer 7

•Spirilla – Spiraled body (cork-screw)

Answer 8

Anabaena

Answer 9

Oscillatoria

Question 10

Archaea

Answer 10

• Prokaryotic cells
• Similar to Eubacteria but with distinctive DNA and cell walls
• Thermophiles or halophiles: Inhabit hot, salty or methane producing places