A pharmaceutical company has developed a drug that blocks the function of the neonatal Fc receptor.  Which of the following will be the MOST LIKELY effect of administering this drug? 

To stimulate soil organic carbon accumulation over the years, an ecosystem must

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How many years ago did grasses emerge? 

How many years ago did grasslands emerge?

Hadley cells drive precipitation gradients on a [answer1] and the orographic effect drives precipitation gradients on a [answer2]. 

If you were given an annual temperature of 9 C and an annual precipitation of 1000 mm as well as land management involving regular prescribed burns and grazing, which biome would you predict to find under those conditions? 

What has been the biggest driver of the loss of North American grasslands? 

Referring to the Dust Bowl image in the previous question, identify one additional, specific ecosystem service that is being affected and state which ecosystem service category it belongs to. Please keep your answer to 1-2 sentences.

What are the consequences of only valuing or caring about “provisioning services” from our landscapes? In your answer, first define provisioning services. Then, in 2-3 sentences, describe what we miss out on when we only value this one ecosystem service type. You can draw on specific examples from lecture or the pre-class material.