#Question id: 9206
#Unit 9. Diversity of Life Forms
To better comprehend the magnitude of current extinctions, it will be necessary to ________.
#Question id: 9208
#Unit 9. Diversity of Life Forms
Which of the following threats to biodiversity is targeted at specific species rather than groups of species?
#Question id: 9209
#Unit 9. Diversity of Life Forms
Introduced species can have deleterious effects on biological communities by ________.
#Question id: 9210
#Unit 9. Diversity of Life Forms
Overharvesting encourages extinction and is most likely to affect ________.
#Question id: 9211
#Unit 9. Diversity of Life Forms
Of the following ecosystem types, which have been impacted the most by humans?
#Question id: 9212
#Unit 9. Diversity of Life Forms
Burning fossil fuels releases oxides of sulfur and nitrogen. These air pollutants can be responsible for ________.