11 – To Evaluate Primary or Secondary Data Relating to the Effects of Human Activity on Species Diversity (LC 2027) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is primary data in biodiversity evaluation?
What is primary data in biodiversity evaluation?
Data collected directly through research
Which IUCN Red List category describes species facing very high extinction risk?
Which IUCN Red List category describes species facing very high extinction risk?
Endangered
Which species group shows the highest proportion of threatened species?
Which species group shows the highest proportion of threatened species?
Cycads
What is the natural background extinction rate per million species per year?
What is the natural background extinction rate per million species per year?
0.1 to 2 extinctions
What is the current extinction rate per million species per year?
What is the current extinction rate per million species per year?
34 extinctions
What percentage cumulative extinction did amphibians reach by 2018?
What percentage cumulative extinction did amphibians reach by 2018?
2.3%
When did the most dramatic increases in extinction rates occur?
When did the most dramatic increases in extinction rates occur?
After 1900
How many times higher are current extinction rates compared to natural background rates?
How many times higher are current extinction rates compared to natural background rates?
17-34 times
What percentage of Earth's ice-free surface is directly affected by human activities?
What percentage of Earth's ice-free surface is directly affected by human activities?
More than 70%
What percentage of Earth's ice-free surface is grazing land?
What percentage of Earth's ice-free surface is grazing land?
37%
Where are wilderness areas with minimal human interference now largely confined?
Where are wilderness areas with minimal human interference now largely confined?
Arctic, Amazon, Sahara, Australia interior
What term do scientists use for the current biodiversity crisis?
What term do scientists use for the current biodiversity crisis?
The sixth mass extinction