4.7 Measuring Environmental Change Flashcards
1
Q
Name 3 living factors which may affect where an organism can live
A
- new predator
- new disease
- new plants for new food or habitats
2
Q
Environmental changes in an area can be measured by what?
A
Non living indicators
3
Q
Living organisms can be used as what?
A
Pollution indicators
4
Q
Name an air pollution indicator
A
Lichens- the more growing, the cleaner the air
5
Q
Name a water pollution indicator
A
Freshwater invertebrates- the more there are of many different types the cleaner the water (the more oxygen is dissolved in it)
6
Q
Name 4 methods to measure environmental changes
A
- rain gauges
- thermometers
- ph and oxygen sensors
- data loggers
7
Q
Name 4 non loving factors that affect where an organism can live
A
- temperature
- rainfall
- light
- oxygen levels
