Biodiversity Quiz

What does biodiversity describe?

• The number of species in a single ecosystem

• The variation seen in living organisms at all levels of biological organization

• The genetic makeup of a single species

• The amount of water in an ecosystem

What is species richness?

• The genetic variation within a species

• The number of different species present in an area

• The variety of habitats in an ecosystem

• The abundance of a single species

What does species evenness describe?

• The number of species in an ecosystem

• The genetic diversity within a species

• The relative abundance of different species

• The variety of ecosystems in a region

What is the role of "lumpers" in biodiversity classification?

• They focus on differences between organisms

• They classify species according to shared similarities

• They increase biodiversity estimates

• They measure species evenness

What is the EDGE of Existence programme focused on?

• Increasing species richness

• Conserving evolutionarily distinct and globally endangered species

• Measuring genetic diversity

• Enhancing ecosystem diversity

What is the overarching cause of the current biodiversity crisis?

• Natural disasters

• Anthropogenic activities

• Alien species invasion

• Solar flares

Which of the following is an example of ecosystem loss due to direct human activity?

• Coral bleaching

• Deforestation of mixed dipterocarp forests

• Ocean acidification

• Invasive species spread

What is a consequence of mass bleaching of the Great Barrier Reef?

• Increased fish population

• Enhanced coral growth

• Threatened biodiversity

• Improved water quality

What is the term for the total cessation of a species, reducing biodiversity?

• Evolution

• Extinction

• Migration

• Adaptation

How many mass extinction events have occurred in Earth's history before the current one?

• Three

• Four

• Five

• Six