Extinction Definition and Causes Quiz

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What was the main factor leading to the extinction of the golden toad of Costa Rica?

Sea level rise

Lumbering

Predation by macaque monkeys

Reduced rainfall (correct)

Which factor contributed to the extinction of the blue pigeon on the island of Mauritius?

Competition for prey with macaque monkeys (correct)

Manufacturing

Greenhouse gas emissions

Overfishing

What is the estimated range of species that have gone extinct annually in recent years based on scientists' estimates?

10,000 - 100,000 species

500 - 1,000 species (correct)

50 - 100 species

1,000 - 10,000 species

What is one of the major human activities contributing to species extinction?

Building roads Signup and view all the answers

How much of the Earth's freshwater resources have been used by humans?

75% Signup and view all the answers

What percentage of oceans has been used for human development?

66% Signup and view all the answers

Which human-led activity contributes significantly to pollution and global warming?

Farming Signup and view all the answers

What percentage of pollution comes from greenhouse gas emissions?

5% Signup and view all the answers

What do scientists believe is the main reason the golden toad of Costa Rica went extinct?

Rising temperatures and reduced rainfall Signup and view all the answers

Which statement accurately reflects the impact of humans on extinction?

Pollution and habitat loss are major reasons for species facing extinction Signup and view all the answers

What could a third type of extinction, as mentioned in the text, be attributed to?

Climate change and human activities like deforestation Signup and view all the answers

Which human activity significantly affects land use and contributes to extinction?

Road construction and landfill dumping Signup and view all the answers

What percentage of Earth's freshwater resources have humans used, according to the information provided?

75% Signup and view all the answers

Which factor has not been a significant cause of species extinction according to the text?

Conservation efforts Signup and view all the answers

What is the estimated range of species that scientists believe have gone extinct annually in recent years?

200 - 2,000 species Signup and view all the answers

For what reason was the blue pigeon of Mauritius driven to extinction?

Competition with macaque monkeys for prey Signup and view all the answers

'Human activity and Extinction' is a subject of discussion mainly due to which factor?

'Human practices such as manufacturing' Signup and view all the answers

'Global warming and rising sea levels can partially be attributed to which human activity?'

'Greenhouse gas emissions' Signup and view all the answers