Human Impacts on Ecosystems (HSC SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What percentage of Madagascar's rainforests are now gone due to logging?
What percentage of Madagascar's rainforests are now gone due to logging?
80%
When did the first agricultural revolution (Neolithic revolution) occur?
When did the first agricultural revolution (Neolithic revolution) occur?
10,000 years ago
What causes eutrophication in waterways?
What causes eutrophication in waterways?
Increased phosphorus availability
What percentage of mammal extinctions in the last 500 years occurred on islands?
What percentage of mammal extinctions in the last 500 years occurred on islands?
73%
Which is NOT a recognised level of biodiversity?
Which is NOT a recognised level of biodiversity?
Population diversity
What percentage of all Earth's species occur in Australia?
What percentage of all Earth's species occur in Australia?
7-10%
How does salinisation affect the water table?
How does salinisation affect the water table?
Raises it
How are marine introduced species primarily transported?
How are marine introduced species primarily transported?
Ballast water
What percentage of natural water flows remained in the Snowy River after the 1967 dam?
What percentage of natural water flows remained in the Snowy River after the 1967 dam?
1%
Why does the Moon experience temperature swings of almost 300°C?
Why does the Moon experience temperature swings of almost 300°C?
It has no atmosphere