Conservation Biology Quiz Questions
With the rate at which the climate is changing it is becoming more important to manage nature of the earth’s biodiversity with the aim of protecting species, their habitats and ecosystems from excessive rates of extinction and erosion. Take the quiz and learn more on conservation of the environment and those in it.
- 1.The greenhouse effect is
- A.
Due to increased sunlight in recent years.
- B.
Caused by increased plant life and photosynthesis.
- C.
A natural phenomenon due to absorption of sunlight and re-radiating of the heat.
- D.
A manmade hazard due to decreased levels of carbon dioxide and ozone in the atmosphere in recent years.
- E.
All of the above are correct.
- 2.Which of the following is NOT a greenhouse gas?
- A.
Carbon dioxide
- B.
Methane
- C.
Oxygen
- D.
All of the above are greenhouse gases.
- 3.When habitats are fragmented so that populations are subdivided into several small and isolated groups, they form a
- A.
Sink population.
- B.
Biodiversity hotspot.
- C.
Keystone species.
- D.
Metapopulation.
- E.
Source population.
- 4.Critical species that are so important that their extinction causes major changes and may threaten other species existence constitute a
- A.
Sink population.
- B.
Biodiversity hotspot.
- C.
Keystone species.
- D.
Metapopulation.
- E.
Source population.
- 5.When patches get smaller and the organisms that live well deep inside large patches are exposed to less favorable conditions, this is
- A.
The edge effect.
- B.
A habitat restoration plan.
- C.
Population viability analysis.
- D.
Gap analysis.
- E.
Landscape dynamics.
- 6.Madagascar is considered a biodiversity "hotspot" because
- A.
It originated as a volcanic island.
- B.
It has lost nearly all of its native species to extinction.
- C.
It contains a high concentration of unique species.
- D.
It has resisted habitat destruction that has caused extinctions elsewhere.
- E.
All of the above are correct.
- 7.Biodiversity "frontiers" are areas that
- A.
Have high rates of extinction.
- B.
Lack species and need to be colonized.
- C.
Have many more species than formerly thought.
- D.
Are replacing native species with exotic species.
- E.
Are fragile in comparison with other ecosystems.
- 8.The regulation of climate, cleansing of fresh water, and support of ecotourism are examples of _______ value drawn from biodiversity.
- A.
Agricultural
- B.
Medicinal
- C.
Consumptive use
- D.
Indirect
- E.
No
- 9.Which statement is NOT true about biological diversity?
- A.
Increased deforestation results in a loss of biological diversity.
- B.
Temperate forests have more biological diversity than the tropical rain forests.
- C.
Very few of the biological species have been studied.
- D.
The myriad of plants and animals that live in tropical rain forests may benefit human beings.
- 10.Introduction of alien or exotic species into new ecosystems occurs by
- A.
Colonization when new settlers arrive in an area.
- B.
Accidental transport by ship or plane without anyone's knowledge.
- C.
Agricultural and horticultural activities.
- D.
All of the above are correct
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