B1.4.2 Environmental change Flashcards
1
Q
What may affect the distribution of living organisms?
A
Changes in the environment
2
Q
What living factors may affect the distribution of plants and animals?
A
- change in a competitor,
- introduction of a new predator
3
Q
What non-living factors may affect the distribution of plants and animals?
A
- average temperature
- rainfall.
4
Q
Which living organisms can be used as indicators of pollution?
A
- lichens
- invertebrate animals
5
Q
What can lichens be used to monitor?
A
- air pollution indicators,
- particularly of the concentration of sulfur dioxide in the atmosphere
6
Q
What can invertebrate animals be used to monitor?
A
- water pollution indicators
- they are used as indicators of the concentration of dissolved oxygen in water
7
Q
Which non-living indicators can be used to measure environmental changes?
A
- oxygen levels,
- temperature
- rainfall
