18 Biodiversity
(A) is the variety of genes, species, and ecosystems in an area.
(B) is a major factor in ecosystem resilience
(C) is impacted by habitat destruction
(D) all of the above
19 The background rate of extinction is approximately
(A) one per million species per year
(B) one in a hundred species per year
(C) zero
(D) not known
20 The Anthropocene is
(A) an informal term for the current epoch
(B) the official title for the geological epoch that followed the Holocene
(C) the age of the dinosaurs
(D) the future era, beginning approximately 2100 CE
21 The primary causes of biodiversity loss are sometimes abbreviated using the acronym
(A) IPAT
(B) HIPPO
(C) CHNOPS
(D) CHP
22 Buildling roads into previously inaccessible forests is a problem because of
(A) pollution
(B) temperature changes
(C) moisture changes
(D) fragmentation
23 The goal of restoration is
(A) to stop change from occurring
(B) to move an ecosystem back to the state it occupied approximately 100 years earlier
(C) to move an ecosystem back to the state it occupied approximately 200 years earlier
(D) to provide conditions to allow a system to achieve a state of equilbrium that results in a healthy, self-
sustaining system