1. Which of the following terrestrial biomes is the most ecologically efficient?

Question

1. Which of the following terrestrial biomes is the most ecologically efficient? A) desert; B) temperate forest; C) tropical rainforest; D) tundra.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

2. Which of the following statements is false? A) A primary producer is an efficient producer of organic matter that supports consumers; B) Primary producers require only CO2, H2O, sunlight, and inorganic nitrogen for synthesis of organic matter; C) The primary producers comprise the greatest percentage of terrestrial biomass; D) In the ocean, primary producers feed on fish; E) Herbivores are natural predators of primary producers.

3. What is the correct term for the type of succession that results from deforestation? A) primary succession; B) secondary succession; C) serial succession; D) pioneer succession; E) retrogression.

4.In an ecosystem, primary producers use light energy to convert __________________ and water into _______________ . A) oxygen, carbon dioxide; B) carbon dioxide, carbonic acid; C) carbon dioxide, carbohydrate; D) sugar, carbohydrates; E) nitrogen, food energy.

5. The accumulation of carbohydrate by primary producers is measured by: A) biomass; B) net primary production; C) gross primary production; D) respiration; E) gross photosynthesis.

Explanation / Answer

1. C) tropical rainforest

2.D) In the ocean, primary producers feed on fish;

3. B)secondary succession

4. C) carbon dioxide, carbohydrate;

5. B) net primary production

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