Chapter 6 Flashcards
1
Q
What are physical requirements for organisms to grow? (3)
A
- Temperature
- pH
- Osmotic pressure
2
Q
Chemical and Energy requirements for organisms to grow? (7)
A
- Carbon
- Nitrogen
- Phosphorus
- Sulfur
- Trace elements
- Organic growth factors
- Oxygen`
3
Q
Thrives in a optimum growth temperature of -5 to 20 degrees celcius
A
Psychrophiles
4
Q
Thrives in a optimum growth temp of 15C- 45C
A
Mesophiles
5
Q
Thrives in optimum growth temp of 45C-80C.
A
Thermophiles
6
Q
Thrives in optimum growth temp of more than 100C
A
Hyperthermophiles
7
Q
Has a pH requirement of 6.5-7.5
A
Neutrophiles
8
Q
Has a pH of less than 7
A
Acidophiles
9
Q
Has a pH of more than 7.0
A
Alkalinophiles
