ENVS 1126- Dr Hou FALL 2025 Exam 1
questions and answers
Over the past 12,000 years, the greatest loss of biological wealth has resulted from the - ANS
✔✔conversion of natural ecosystems to modern agriculture
Which of the following is an example of the greatest cause of biodiversity loss in the world
today? - ANS ✔✔In Brazil, ranchers cut and burn rain forest to clear fields for grazing cattle
Which of the following organisms has the least instrumental value to humans? - ANS
✔✔mosquitos
The species that are most vulnerable to extinction are those, which are - ANS ✔✔endemic and
limited to a single population
Which of the following represent ecosystems with high average annual net primary
productivity? - ANS ✔✔algal beds, reefs, tropical rain forests, swamps and marshes
Biodiversity in the world is - ANS ✔✔declining and is most negatively impacting the poorest
people of the world.
Biodiversity has three components: - ANS ✔✔species diversity, genetic diversity in species, and
ecosystem diversity
Passed in 1900, the most significant legislation to protect wildlife from illegal killing or sale is the
- ANS ✔✔Lacey Act
, If I wanted to find out the status of a native species in Ethiopia, where would I go? - ANS ✔✔to
the IUCN's Red List
A poacher kills polar bears in Alaska and ships their skins to buyers in Asia. The poacher is most
likely in violation of laws that come from the - ANS ✔✔Endangered Species Act and Cites
The acronym HIPPO identifies the five major factors contributing to extinction today. These are -
ANS ✔✔habitat destruction, invasive species, pollution, population, and overexploitation
Which of the following is an example of a regulating ecosystem service? - ANS ✔✔pest
regulation
The cultural and aesthetic value of a forest to indigenous people represents its - ANS
✔✔cultural service
Which of the following is an example of natural goods from an ecosystem? - ANS ✔✔ocean fish
netted for food
Regulating and cultural services provided by natural ecosystems: - ANS ✔✔are essential but
difficult to value in monetary terms
A shrimp farm in Thailand results in - ANS ✔✔specific gains to the shrimp farmer.
Many ecosystems are damaged by attempts to make a quick profit because - ANS ✔✔the value
of ecosystem services is poorly understood and underappreciated
Which one of the following best represents the productive use of a natural resource? - ANS
✔✔A woman gathers mushrooms from a forest to sell in the local produce market
questions and answers
Over the past 12,000 years, the greatest loss of biological wealth has resulted from the - ANS
✔✔conversion of natural ecosystems to modern agriculture
Which of the following is an example of the greatest cause of biodiversity loss in the world
today? - ANS ✔✔In Brazil, ranchers cut and burn rain forest to clear fields for grazing cattle
Which of the following organisms has the least instrumental value to humans? - ANS
✔✔mosquitos
The species that are most vulnerable to extinction are those, which are - ANS ✔✔endemic and
limited to a single population
Which of the following represent ecosystems with high average annual net primary
productivity? - ANS ✔✔algal beds, reefs, tropical rain forests, swamps and marshes
Biodiversity in the world is - ANS ✔✔declining and is most negatively impacting the poorest
people of the world.
Biodiversity has three components: - ANS ✔✔species diversity, genetic diversity in species, and
ecosystem diversity
Passed in 1900, the most significant legislation to protect wildlife from illegal killing or sale is the
- ANS ✔✔Lacey Act
, If I wanted to find out the status of a native species in Ethiopia, where would I go? - ANS ✔✔to
the IUCN's Red List
A poacher kills polar bears in Alaska and ships their skins to buyers in Asia. The poacher is most
likely in violation of laws that come from the - ANS ✔✔Endangered Species Act and Cites
The acronym HIPPO identifies the five major factors contributing to extinction today. These are -
ANS ✔✔habitat destruction, invasive species, pollution, population, and overexploitation
Which of the following is an example of a regulating ecosystem service? - ANS ✔✔pest
regulation
The cultural and aesthetic value of a forest to indigenous people represents its - ANS
✔✔cultural service
Which of the following is an example of natural goods from an ecosystem? - ANS ✔✔ocean fish
netted for food
Regulating and cultural services provided by natural ecosystems: - ANS ✔✔are essential but
difficult to value in monetary terms
A shrimp farm in Thailand results in - ANS ✔✔specific gains to the shrimp farmer.
Many ecosystems are damaged by attempts to make a quick profit because - ANS ✔✔the value
of ecosystem services is poorly understood and underappreciated
Which one of the following best represents the productive use of a natural resource? - ANS
✔✔A woman gathers mushrooms from a forest to sell in the local produce market
