B18.6 The impact of change

Question 1

What factors are closely linked to the distribution of organisms?

Answer 1

Availbility of water
Levels of dissolved gases
Temperature

Question 2

What are some examples of seasonal changes?

Answer 2

In temperate parts of the world - the temperature amount of rainfall and availability of water changes dramatically between seasons

Question 3

What are geographical changes?

Answer 3

Changes between one area and another involve many factors such as differences in soil, PH of the soil and saltiness of water

Question 4

What are some negative changes of human intercations?

Answer 4

Global warming and climate change
Effects of acid rain on soil
Pollution from farms and factories

Question 5

What are some positives of human interactions?

Answer 5

Maintaining rain forests
Reducing water pollution and monitoring pH
Restricting access to sites of special scientific interest