Question

1. ___ is a possible factor that causes low biodiversity. a. predation b. starvation c. natural events d. all of the above 8. _extinction is a normal process of the natural world of the elimination of a species. a. true b. false 9._ is not a human action that impacts the environments biodiversity. a. invasive species b. habitat destruction c. volcanoes d. pollution 10. ___ higher than one(1) is the biodiversity index, the more healthy an ecosystem is. a. true b. false

Explanation:

• For question 7: Predation can reduce species numbers, starvation can limit survival, and natural events like floods can disrupt habitats, all reducing biodiversity.
• For question 8: Extinction has occurred throughout Earth's history as a natural process due to factors like competition and environmental change.
• For question 9: Invasive species, habitat destruction, and pollution are human - caused, while volcanoes are natural phenomena.
• For question 10: A higher biodiversity index generally indicates a more diverse and healthier ecosystem.

Answer:

1. d. All of the above
2. a. True
3. c. Volcanoes
4. a. True