#Question id: 9198
#Section 2: Evolution
Tropical forests are being converted to farm or pasture land at an alarming rate, and one major focus is on the biodiversity and the impact to these ecosystems. What is a direct benefit to humans that helps explain why these forests need to be preserved?
#Question id: 9199
#Section 2: Evolution
Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes would fall under this category?
#Question id: 9200
#Section 2: Evolution
During the inventory of bacterial genes present in the Sargasso Sea, a deep isolated area in the middle of the Atlantic Ocean, a research team concluded that at least 1,800 bacterial species were present. Based on what you might predict about the habitat structure of such an area, what kind of bacterial diversity would you expect to see in tropical coral reef waters?
#Question id: 9202
#Section 2: Evolution
Which of the following statements regarding extinction is accurate?
#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?