One of the buffers that contribute to pH stability in human blood is carbonic acid (H2CO3). Carbonic acid is a weak acid that, when placed in an aqueous solution, dissociates into a bicarbonate ion (HCO3-) and a hydrogen ion (H+). (See figure.)

If the pH of blood drops, one would expect ________.

#Question id: 9163

#Unit 9. Diversity of Life Forms

Use the following figures to answer the question below

Based on the data in the figures, which of the following statements are correct?

I) Area 1 would be considered a desert because of its high average temperature.

II) Area 1 has more average precipitation than Area 2.

III) Area 2 would be considered a desert because of its low average precipitation.

IV) Area 2 has a larger annual temperature variation.

#Question id: 9164

#Unit 9. Diversity of Life Forms

Use the following figures to answer the question below.

East of the Mississippi River, in Hopkinsville Kentucky, the mean annual precipitation is 130 cm. The mean annual temperature is 14.3°C. In the winter, the mean temperature is 7.3°C, while in summer it is 20.6°C. Using the climograph shown here, how would we classify the biome found in Hopkinsville?

#Question id: 9165

#Unit 9. Diversity of Life Forms

Which of the following biomes spans the largest annual mean temperature range, but the narrowest mean precipitation range?

#Question id: 9166

#Unit 9. Diversity of Life Forms

If global warming continues at its present rate, which biomes will likely take the place of the coniferous forest (taiga)?

#Question id: 9167

#Unit 9. Diversity of Life Forms

If you conclude that vegetation at every point on Earth exactly resembles the predicted biome distribution in a climograph, then ________.

#Question id: 9168

#Unit 9. Diversity of Life Forms

Which of the following statements best describes the interaction between fire and ecosystems?