Climate Change

Question 1

What are the 4 phases of infectious disease development in its populations:

Answer 1

1. Primary communities and settlements
2. Trade and military forces of Eurasian civilization
3. Expansionism of European powers in the last 5 centuries
4. Demography, environment, technologies and global climatic change = spread of infectious pathogens into the human population?

Question 2

How do animals respond to climate change:

Answer 2

1. Behavioural changes within existing limits
2. Starting an evolutionary process based on the principles of natural selection
3. Changes in dispersal towards areas with conditions within the ecological optimum
4. Lack of adaptation, regional or total extinction

Question 3

Example of behavioural changes within existing limits:

Answer 3

Season
- spring as climate changes
- Bird evolved to respond to longer daylight hours
- Insects evolved to respond to higher temperature

Question 4

What currently pose one of the most significant health risks to humans, domesticated and wildlife:

Answer 4

Vectors and the pathogens they transmit

Question 5

What is potentially the most effective method of preventing vector borne diseases:

Answer 5

Vaccinations