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There are 4 types of biomes. |
False |
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Which of the following is considered an arid biome? |
B.desert |
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What developments occurred from the Jurassic period to the Cretaceous period? |
Dinosaurs were common in the Jurassic period, but during the Cretaceous period they went extinct. Pangaea had fully split by the Cretaceous period and angiosperms had developed. |
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Explain why biomes are not typically classified by temperature. |
Biomes are typically not classified by temperature, because some biomes can experience extreme temperatures from one season to the next. Other biomes might have a more consistent temperature throughout the year. Climate is a better tool for classification. |
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Compare the Carboniferous period to the Devonian period. |
In the Devonian Period, forests and land plants evolved and vertebrates made their appearance. Four-legged vertebrates evolved during the Carboniferous Period, which caused an increase in the number of land-based organisms. |
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Which of the following is a way humans have impacted the rainforests? |
D.all of the above |
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Which of the following is a way humans have impacted the rainforests, but not the tundra? |
D.logging |
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Savanna regions developed during the Triassic period. |
True |
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Compare how humans have impacted the tundra and the rainforest. |
Humans have had an impact on both the tundra and the rainforest. Oil drilling and mining are a problem in both biomes. Overgrazing, erosion, and radioactive pollution are the result of human impact on the tundra biome, while logging agriculture, and construction are of greater concern in the rainforests. |
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Explain how agriculture affects coral reefs. |
Coral reefs are affected by agriculture when fertilizer runoff enters the ecosystem. Fertilizer causes an increase in nutrients, which can lead to an increase in algae growth. The algae then smothers the coral reef ecosystem. |
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