Chapter 5

Question 1

psychrophiles

Answer 1

thrive in cold temperatures - 15°C

Question 2

mesophiles

Answer 2

thrive in middle temperatures - body temperature

Question 3

thermophiles

Answer 3

thrive in hot temperatures - 60°C

Question 4

hyperthermophiles

Answer 4

thrive in extremely hot temperatures - 95°C

Question 5

aerobes

Answer 5

thrive in the presence of oxygen

Question 6

microaerophiles

Answer 6

thrive in atmosphere of 5% oxygen (our atmosphere is 20%)

Question 7

anaerobes

Answer 7

thrive in the absence of oxygen

Question 8

aerotolerant

Answer 8

can survive about an hour in the presence of oxygen

Question 9

facultative

Answer 9

grow in presence or absence of oxygen

Question 10

capnophiles

Answer 10

thrive in the presence of CO2

Question 11

thioglycollate

Answer 11

medium with concentration gradient of oxygen - good for supporting many types of bacterium

Question 12

acidophiles

Answer 12

thrive in low pH

Question 13

halotolerant

Answer 13

thrive in high concentrations of salt

Question 14

complex medium

Answer 14

exact components are undefined

Question 15

synthetic medium

Answer 15

has precise amounts of nutrients

Question 16

selective medium

Answer 16

has components that will select growth of some bacteria, inhibit growth of others

Question 17

differential medium

Answer 17

can differentiate between microbes in a mixture

Question 18

enriched medium

Answer 18

lots of rich nutrients, can grow many types of bacteria (including strict bacteria)