Biodiversity

In an ecosystem, which of the following would be a producer?

• Bacteria

• Algae

• Human

• Soil

The Shannon Index gives more weight to rare species than Simpson’s Index

• TRUE

• FALSE

Among the following, which value indicates higher biodiversity according to Simpson’s Index?

• 0.09

• 0.21

• 0.59

• 0.91

What caused the Cretaceous-Paleogene mass extinction that occurred 66 million years ago and killed all non-avian dinosaurs?

• Volcanic eruption

• Asteroid hit

• New species

• Food depletion

What percentage of all species that ever lived on earth is assumed to be extinct now?

• 80%

• 90%

• 95%

• 99%

Could you mention a human activity that causes biodiversity loss? Answer in 1-2 words, for example, overfishing OR excessive fishing.