#Question id: 9203
#Section 2: Evolution
The human impact that scientists determined has caused the most extinctions on record is ________, and beyond further losses from this impact, the other impact with the largest potential to cause future extinctions is ________.
#Question id: 9204
#Section 2: Evolution
Which of the following observations provides the best evidence of a biodiversity crisis?
#Question id: 9205
#Section 2: Evolution
Which of the following terms includes all of the others?
#Question id: 9206
#Section 2: Evolution
To better comprehend the magnitude of current extinctions, it will be necessary to ________.
#Question id: 9207
#Section 2: Evolution
Loss of biodiversity matters not only with regard to mammals or other vertebrates, but also microbes. Why are microbes worthy of discovery and protection from extinction?
#Question id: 9208
#Section 2: Evolution
Which of the following threats to biodiversity is targeted at specific species rather than groups of species?