#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?
#Question id: 9209
#Section 2: Evolution
Introduced species can have deleterious effects on biological communities by ________.
#Question id: 9210
#Section 2: Evolution
Overharvesting encourages extinction and is most likely to affect ________.
#Question id: 9211
#Section 2: Evolution
Of the following ecosystem types, which have been impacted the most by humans?
#Question id: 9212
#Section 2: Evolution
Burning fossil fuels releases oxides of sulfur and nitrogen. These air pollutants can be responsible for ________.