1) The number of different species in an ecosystem is known as what? a) Sustainability b) Biodiversity c) Speciation 2) What are the benefits of biodiversity? a) A variety of resources b) Healthier ecosystems c) Both A & B 3) Which of the following has the highest biodiversity? a) 200 dolphins b) 5 elephants, 2 lions, & 1 zebra c) 100 ants & 5 anteaters 4) Which of the following DOES NOT indicate a high level of biodiversity? a) More links on a food web b) Many different plant species c) High population of a single species 5) The ability of an ecosystem to maintain its structure and function over a long amount of time is known as what? a) Sustainability b) Biodiversity c) Conservation 6) Lower biodiversity means ______________. a) More sustainability. b) Less sustainability. c) High variety of genes. 7) What are some ways that humans can help increase biodiversity? a) Reduce, reuse, recycle b) Set up protected areas & reduce pollution c) Both A & B 8) Which statement is false? a) The greater the biodiversity, the healthier the ecosystem. b) The most effective way to increase biodiversity is to preserve habitats. c) The most effective way to increase biodiversity is to protect an individual species. 9) Hawks, owls, and eagles all eat mice. If the owls & eagles left an ecosystem, what would happen to the hawks? a) They would increase because there's less competition. b) They would decrease because there's more competition. c) They would decrease because there's less prey. 10) Which would be the best explanation as to why an animal's population decreased? a) An increase in a food source. b) An invasive species enters the ecosystem. c) An increase in rainfall.

Biodiversity Quiz

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