To investigate three abiotic factors in a selected ecosystem Flashcards
1
Q
Abiotic factors are?
A
Non-living factors affecting an organisms ability to live in a habitat
2
Q
Name 4 abiotic factors for grassland.
A
- air temperature
- soil pH
- light intensity
- aspect
3
Q
Air temperatures are taken using a?
A
thermometer
4
Q
soil pH is recorded using what?
A
pH meter or universal indicator
5
Q
Discuss how universal indicator finds soil pH.
A
indicator with distilled water is added to a small soil sample in a test tube
little barium sulphate is added causing soil particles to clump, water less cloudy
colour compared with colour on the chart provided to find exact pH
6
Q
Light intensity is measured using?
A
photographic light meter
7
Q
What does aspect mean?
A
the direction its facing
8
Q
How is aspect recorded?
A
compass
9
Q
Name 2 things aspect will affect.
A
light intensity and temperature
