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(d) Many non-native game animals, for example, axis deer and blackbuck antelope, were deliberately introduced to the United States for the sport hunting industry. (i) Describe ONE ecological and ONE economic advantage of the introduction of game species. (ii) Describe ONE ecological and ONE economic disadvantage of the introduction of game species.

(d) Many non-native game animals, for example, axis deer and blackbuck antelope, were deliberately introduced to the United States for the sport hunting industry. (i) Describe ONE ecological and ONE economic advantage of the introduction of game species. (ii) Describe ONE ecological and ONE economic disadvantage of the introduction of game species.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Answer Part 1: sub part (d), including (i) and (ii)

AP FREE-RESPONSE PRACTICE 1. Read the excerpt below and answer the questions that follow. Native species of North America are often defined as those species that were present in North America before Europeans arrived in the early 1600s. When Europeans arrived, they found extensive forests dominated by the American chestnut tree. These chestnut trees were ex- tensively cultivated and planted by the North American natives for food and other wood products. In the early 1900s, the chestnut blight (a fungus) virtually extermi- nated all of the American chestnut trees in North America. (a) Classify the American chestnut tree as either a native or an introduced species. Explain your classification. (b) Classify the chestnut blight as either a native or an introduced species. Explain your classification. (c) The introduction of invasive species can be deliberate or accidental. (i) Identify TWO characteristics of an invasive species. (ii) Identify which of the species (American chestnut or chestnut blight) is considered invasive. (d) Many non-native game animals, for example, axis deer and blackbuck antelope, were deliberately introduced to the United States for the sport hunting industry. (i) Describe ONE ecological and ONE economic advantage of the introduction of game species. (ii) Describe ONE ecological and ONE economic disadvantage of the introduction of game species. 2. Energy flow is a central theme throughout the study of environmental science. Consider energy flow when answer- ing the following questions: (a) The tundra/arctic biome is populated with lichens and grasses as dominant producers, small rodents called lemmings, brown bears (grizzlies), caribou (deer family), and arctic wolves. Diagram a food web that correctly shows the flow of energy through the species shown in the squares below. Lichens Arctic wolves Brown bears Caribou Lemmings Grasses (b) The tundra, like most biomes, has very few large predators that function at the highest levels of the trophic pyramid. Explain this phenomenon. (c) An ecologist is doing an in-depth study of a tundra ecosystem. He does a biomass sample of the producers in an area and measures 3.5 kilograms of producer biomass per square meter. Calculate the biomass of pro- ducers in terms of kilograms per hectare (kg/ha). A hectare contains 10,000 square meters. (d) Based on your calculation of kg/ha above: (i) Calculate the approximate biomass of both primary and secondary consumers that could be maintained in one hectare of this ecosystem. (ii) Explain your calculation. (e) Many people suggest that it would be wiser for humans to eat lower on the trophic pyramid. Discuss this statement in terms of both energy availability and land use. APⓇ REVIEW QUESTIONS UNIT 2 233
Transcribed Image Text:AP FREE-RESPONSE PRACTICE 1. Read the excerpt below and answer the questions that follow. Native species of North America are often defined as those species that were present in North America before Europeans arrived in the early 1600s. When Europeans arrived, they found extensive forests dominated by the American chestnut tree. These chestnut trees were ex- tensively cultivated and planted by the North American natives for food and other wood products. In the early 1900s, the chestnut blight (a fungus) virtually extermi- nated all of the American chestnut trees in North America. (a) Classify the American chestnut tree as either a native or an introduced species. Explain your classification. (b) Classify the chestnut blight as either a native or an introduced species. Explain your classification. (c) The introduction of invasive species can be deliberate or accidental. (i) Identify TWO characteristics of an invasive species. (ii) Identify which of the species (American chestnut or chestnut blight) is considered invasive. (d) Many non-native game animals, for example, axis deer and blackbuck antelope, were deliberately introduced to the United States for the sport hunting industry. (i) Describe ONE ecological and ONE economic advantage of the introduction of game species. (ii) Describe ONE ecological and ONE economic disadvantage of the introduction of game species. 2. Energy flow is a central theme throughout the study of environmental science. Consider energy flow when answer- ing the following questions: (a) The tundra/arctic biome is populated with lichens and grasses as dominant producers, small rodents called lemmings, brown bears (grizzlies), caribou (deer family), and arctic wolves. Diagram a food web that correctly shows the flow of energy through the species shown in the squares below. Lichens Arctic wolves Brown bears Caribou Lemmings Grasses (b) The tundra, like most biomes, has very few large predators that function at the highest levels of the trophic pyramid. Explain this phenomenon. (c) An ecologist is doing an in-depth study of a tundra ecosystem. He does a biomass sample of the producers in an area and measures 3.5 kilograms of producer biomass per square meter. Calculate the biomass of pro- ducers in terms of kilograms per hectare (kg/ha). A hectare contains 10,000 square meters. (d) Based on your calculation of kg/ha above: (i) Calculate the approximate biomass of both primary and secondary consumers that could be maintained in one hectare of this ecosystem. (ii) Explain your calculation. (e) Many people suggest that it would be wiser for humans to eat lower on the trophic pyramid. Discuss this statement in terms of both energy availability and land use. APⓇ REVIEW QUESTIONS UNIT 2 233
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