Environmental Change Flashcards
What do changes in the environment do?
Affect the distribution of living organisms
What are examples of these affects?
- changing distribution of bird species
* disappearance of pollinating insects, including bees
What are the two types of environmental changes?
Living factors
Non living factors
What is an example of a living factor?
Changes in competitor
What can living organisms be used as?
Indicators of pollution
What can lichens be used as?
Air pollution indicators
Particularly concentration of sulfur dioxide
What can invertebrate animals be used as?
Indicators for water pollution
Particularly the dissolved oxygen in water
What are 3 non living indicators?
O2 levels
Temperature
Rainfall
What is a practical for this?
Investigating the plant growth of vary environmental conditions e.g.
Degree of shade
Supply of nutrients