Ecological Hazards

Question 1

what is an ecological hazard

Answer 1

biological or chemical hazard that has the potential to impact adversely on the wellbeing of people or on the environment more generally

Question 2

2 types of ecological hazards

Answer 2

biological hazards

human hazards

Question 3

epidemic

Answer 3

a sudden increase in the number of cases of a disease above that would normally be expected in that area

Question 4

pandemic

Answer 4

when a epidemic spreads over a different area for example several countries or continents

Question 5

infectious disease

Answer 5

diseases that can be spread from one person to another either directly or indirectly

Question 6

2 examples of ecological hazards

Answer 6

HIV/AIDS, cholera

Question 7

animal transmitted diseases

Answer 7

are a sub-category of infectious diseases that can be referred to as vector borne diseases. These are diseases transmitted to humans by an animal, which is referred to as a vector

Question 8

Examples of animal transmitted diseases

Answer 8

Rabies - zoonotic viral disease transmitted through saliva from a scratch or bite

Question 9

animal invasions

Answer 9

animals that are not native to a specific ecosystem and their introduction tends to cause harm to the environment, economy or human health

Question 10

Example of animal invasions

Answer 10

Cane toads in Australia - introduced to Queensland to control sugar cane beetles by reproduction rapidly spread

Question 11

Waterborne diseases

Answer 11

are a category of infectious diseases that are caused by microorganisms contaminating the water

Question 12

Examples of waterborne diseases

Answer 12

Cholera - bacteria that spreads in water from human waste

Question 13

Chemical hazard + example

Answer 13

hazards/incidents caused by toxic substances being uncontrollably released e.g oil spills, chemical warfare and chemical leaks