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Flashcards in Chapter 6 Deck (9)
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1

What are physical requirements for organisms to grow? (3)

-Temperature
-pH
-Osmotic pressure

2

Chemical and Energy requirements for organisms to grow? (7)

-Carbon
-Nitrogen
-Phosphorus
-Sulfur
-Trace elements
-Organic growth factors
-Oxygen`

3

Thrives in a optimum growth temperature of -5 to 20 degrees celcius

Psychrophiles

4

Thrives in a optimum growth temp of 15C- 45C

Mesophiles

5

Thrives in optimum growth temp of 45C-80C.

Thermophiles

6

Thrives in optimum growth temp of more than 100C

Hyperthermophiles

7

Has a pH requirement of 6.5-7.5

Neutrophiles

8

Has a pH of less than 7

Acidophiles

9

Has a pH of more than 7.0

Alkalinophiles