1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 57, Problem 2DA
Summary Introduction
To analyses: The given graphs and explain the information given by these graphs.
Introduction: Different biomes of the ecosystem are influenced by temperature and precipitation. These two factors influence the type of vegetation present in that biome.
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The diagram below shows the tropic levels and relative sizes of productivity and biomass at
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NET PRIMARY PRODUCTIVITY
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cloud cover and precipitation
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The graph indicates relative solar energy midday at two different locations on the
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You are studying primary productivity and biodiversity patterns of an ecosystem. The ecosystem is represented by the climatograph below. The Gross Primary Productivity (GPP) is measured to be 5000 grams of carbon per square meter per year, and the Total Respiration (RT) is measured to be 300 grams of carbon per square meter per year.
- What kind of biome is this?
- Calculate the Net Ecosystem Production (NEP) for this ecosystem
- What does the calculated NEP value indicate about the carbon balance and overall productivity of the ecosystem? (one sentence)
- Based on both the climatograph and the NEP, what can you say about the biodiversity of plants versus consumers?
Choice 1 of 4:plant biodiversity is greater than consumer biodiversity
Choice 2 of 4:consumer biodiversity is greater than plant biodiversity
Choice 3 of 4:consumer biodiversity is the same as plant biodiversity
Choice 4 of 4:lower plant biodiversity compared to consumer biodiversity
Chapter 57 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 57.1 - Prob. 1LOCh. 57.1 - Prob. 2LOCh. 57.1 - Prob. 3LOCh. 57.2 - Prob. 1LOCh. 57.2 - Explain the primary factors that determine which...Ch. 57.3 - Prob. 1LOCh. 57.3 - Prob. 2LOCh. 57.3 - Prob. 3LOCh. 57.4 - Prob. 1LOCh. 57.4 - Prob. 2LO
Ch. 57.5 - Prob. 1LOCh. 57.5 - Differentiate between point-source pollution and...Ch. 57.5 - Prob. 3LOCh. 57.5 - Prob. 4LOCh. 57.6 - Prob. 1LOCh. 57.6 - Prob. 2LOCh. 57 - Prob. 1DACh. 57 - Prob. 2DACh. 57 - Prob. 1IQCh. 57 - Prob. 2IQCh. 57 - 1. The Coriolis effect a. drives the rotation of...Ch. 57 - What two factors are most important in biome...Ch. 57 - In a rain shadow, air is cooled as it rises and...Ch. 57 - Thermal stratification in a lake a. is not...Ch. 57 - Prob. 5UCh. 57 - Deep-sea hydrothermal vent communities a. get...Ch. 57 - Prob. 7UCh. 57 - Which of the following is a point source of...Ch. 57 - If the Earth were not tilted on its axis of...Ch. 57 - Prob. 2ACh. 57 - If a pesticide is harmless at low concentrations...Ch. 57 - Prob. 4ACh. 57 - Discuss how figure 58.1 explains the pattern...Ch. 57 - Prob. 2SCh. 57 - If the world has experienced global warming many...Ch. 57 - What can be done to prevent new diseases from...
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- ecosystem A has primary production of 2000 g c/m2/yr and ecological efficiency of 10%.Ecosystem B has prim,ary production of 300 g/m2/yr.and the ecological efficiency of 15%.If a tropic level requires at least 1 gc/m2/yr to nexist how many tropic levels can each of these ecosystems support?arrow_forwardRain (cm) 60 50 40 30 20 10 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2. An ecosystem has an average of 50 cm of rain per year. Look at the rainfall graph over an 11 year period of lower than average rainfall in this ecosystem, predict how the biotic factors within this ecosystem would respond. Make sure to describe how eventually all trophic levels would be affected. Be sure to explain your reasoning Answer: Type your answer here.arrow_forwardWhat happens if there’s a natural disturbance (drought) affecting the balance of the food chain so that the Sun +E can supply only 4 energy units per plant? Compute for energy units following the table below. Trophic Levels No. Individuals in Each Trophic Level No. of Units Received from Trophic Level Above No. Units Used / Individual (Resp) No. Units Used in Trophic Level No. Units Remaining & Passed on to Next Trophic Level Mean No. Units Available per Individual in Trophic Level SUN +E = 4 1) Plants 30 2 2) Grasshopper 19 2 3) Frog 12 2 4) Snake 8 2 5) Owl 4 2arrow_forward
- REFER TO FIGURE 1 BELOW. EXPLAIN HOW human activities are causing major changes in the ecosystem processes and the pattern of biodiversity (biotic component).arrow_forwardDraw a pyramid of biomass to scale using the data in Table 3.5.arrow_forwardThis conceptual model to the right shows the flow of energy through a spring ecosystem in Silver Springs, Florida from Figure 46.8 in your textbook. 7a. Which value/number on this diagram represents gross primary productivity (GPP)? Express using the units kcal/m?/yr. Sunlight 1,700,000 kcal/m?lyr Primary producers 13,187 20,810 7,618 4,250 Primary consumers 7b. Which value/number represents net primary productivity (NPP)? Express using the units kcal/m²/yr. 2,265 3,368 1,103 720 Secondary consumers 272 383 111 90 7c. What accounts for the difference in GPP and NPP? Tertiary consumers 16 21 Decomposers 7d. What is the efficiency of energy transfer between the primary producers and the primary consumers? Is this more or less efficient than the transfer between a secondary consumer and tertiary consumer? Explain. 5,060 5,060 Total heat and respiration 20,810 respiration + heat to decomposersarrow_forward
- This conceptual model to the right shows the flow of energy through a spring ecosystem in Silver Springs, Florida from Figure 46.8 in your textbook. 7a. Which value/number on this diagram represents gross primary productivity (GPP)? Express using the units kcal/m?/yr. Sunlight 1,700,000 kcalim?lyr Primary producers 13,187 20,810 7,618 4,250 Primary consumers 7b. Which value/number represents net primary productivity (NPP)? Express using the units kcal/m?/yr. 2,265 3,368 1,103 720 Secondary consumers 272 383 111 90 7c. What accounts for the difference in GPP and NPP? Tertiary consumers 16 21 5 Decomposers 7d. What is the efficiency of energy transfer between the primary producers and the primary consumers? Is this more or less efficient than the transfer between a 5,060 5,060 Total heat and respiration 20,810 secondary consumer and tertiary consumer? Explain. respiration + heat to decomposersarrow_forwardEcosystem A has primary production of 2000 g C /m2/yr and ecological efficiency of 10%. Ecosystem B has primary production of 300 g C /m2/yr and an ecological efficiency of 15%. If a trophic level requires at least 1 gC/m2/yr to exist, how many trophic levels can each of these ecosystems support?arrow_forwardThe following table shows the primary productivity of several biomes. The map shows the location of major biomes. Based on the information provided, which environmental factor appears to be the MOST important to the greatest productivity in these biomes? Average Temperature per Year in Degrees Celsius Productivity measured in Keal/m/year 9000 6000 2000 1000 Average Rainfall per Year in Centimeters Biome Type Rainforest Seasonal Forest Grassland Serubland Tundra 25 10 15 400 75-150 30-127 25-75 12 4-23 18 -7 600 Desert 200 18 Yrope Cancer Equator Tropic of Capricom Trepleal lureet Poler and igh meuntn e Tenperate deciduous forest Conerou forest Saarva Chaparal Teinperale graseland e and pne Deert http://sol.esfc.na.Ro/R/BASIco1 files/imaze003.pn O a plant species diversity O b available water average latitude average temperature U...pdf 99+ re to search ImagineBook prt scarrow_forward
- Barry Commoner coined the First Law of Ecology: "Everything is connected to everything else" in 1971. Which example best illustrates this law? Biogeochemical cycles Gross primary productivity Net primary productivity Tropical rainforest Natural capitálarrow_forwardBeavers are powerful ecological engineers. When they dam flowing streams they can create ponds and wetlands. Select all of statements indicating the way that beavers change energy flow and element cycling by damming streams. CLIMASE ATAPLAR FORM Beavers have no effects on energy flow through the brown and green food web Beaver dams indirectly increase net primary productivity by creating wetlands and ponds Beavers indirectly reduce secondary productivity Beavers indirectly decrease primary productivity by turning streams into ponds or wetlands Beavers indirectly cause greater releases of carbon to the atmosphere by damning streams Beavers indirectly increase energy flow through the green and brown food wegs Beavers indirectly increase net secondary productivity Beavers indirectly increase carbon storage in organic matterarrow_forwardGiven these large-scale climate patterns based on latitude, what might you expect in terms of the global distribution of primary productivity (e.g. where might you expect greater plant productivity)? (Select all that are true.) Higher productivity near equator because of more direct solar radiation. Higher productivity near equator because of overall more precipitation. Bands of lower productivity near 30° N and S because of drier air. Bands of lower productivity near poles because of drier air.arrow_forward
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