Polar environments

Question 1

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 1

1. Tourism

Question 2

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 2

Fishing

Question 4

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 4

Indigenous people

Question 5

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 5

Scientific research

Question 6

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 6

Mineral extraction

Question 7

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 7

Whaling

Question 8

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 8

**Chemical contamination **from fuel spills
Chemicals can be toxic and can cause fatal damage to wildlife. Because of the cold causing toxins to recover at a slower pace, Antartica chemical spills destroy ecosystems at a faster rate to othr continents

Question 9

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 9

Transfer of living material eg seeds occuring from cargo, vehicles, food , clothing and people within the Antartic.

The introduction of non native species could alter food webs, changing the ecosystem irreversibly.

When new species are introduced, possibly free from predators, they could dominante food chains, wiping out species.

Question 10

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 10

Disturbance to flora and fauna
Tourists can disturb breeding colonies of birds and seals.

Trampling damages fragile vegetation and erodes the lanscape, leaving paths

Question 11

Outline 10 human activities that impact either the artic or antartic ecosystems

Answer 11

Global warming
Humans burnign fossil fuels release green house gases.
A warmer Antartic can introduce new species, adapted to warmer conditions which could alter food webs.
When new species are introduced, possibly free from predators, they could dominante food chains, wiping out species.