Bacteria

Question 1

Bacteria help drive global circulation of carbon, nitrogen, _ and _

Answer 1

Sulfur

Phosphorus

Question 2

Bacterial differ from archaea through composition of their _

Answer 2

Cell walls

Question 3

Bacterial differ from archaea through range of _ they can exploit

Answer 3

Energy sources

Question 4

Bacterial differ from archaea through their _

Answer 4

Metabolism

Question 5

First known bacteria lived _ years ago but probably evolved before then

Answer 5

2.4 billion

Question 6

Bacteria transfer DNA between each other in a process of direct contact called _

Answer 6

Conjunction

Question 7

Gene-transfer mechanism, alongside rapid reproduction rates, allows bacteria to adapt and

Answer 7

Evolve quickly to environmental changes