List seven land biomes that are found on Earth. - PowerPoint Presentation

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List seven land biomes that are found on Earth.Slide3

Making Inferences

While excavating an area in the desert, a scientist discovers the fossils of very large trees and ferns.

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What might the scientist conclude about biomes in this area?

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The scientist might conclude that the area was once a forest biome and that the area received more rain in the past.Slide5

Use the graph below to answer the question .

Scientists involved in a field study of a biome produced the graph above. The line represents temperature and the bars represent precipitation. Which of the following is a valid conclusion about the biome?

A. The biome is a rainforest.

B. The annual variation in temperature (from high to low) is about 25°C.

C. The biome receives the same amount of rainfall each month.

D. The biome has little plant life.Slide6

B. The annual variation in temperature (from high to low) is about 25°C.Slide7

In a savanna, the average yearly rainfall is 150 cm. The average yearly rainfall in a desert is 25 cm. If a global climate change causes the savanna’s average yearly rainfall to decrease by 0.5 cm every year, in how many years will the savanna become a desert?

A. 50 years

B. 125 years

C. 250 years

D. 300 yearsSlide8

C. 250 yearsSlide9
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http://www.quia.com/rr/199979.html

http://www.quia.com/mc/1715376.html

http://www.quia.com/mc/1715376.html