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Biology 2e
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter46: Ecosystems
Section: Chapter Questions
Problem 10RQ: The loss of an apex consumer would impact which trophic level of a food web? primary producers...
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Can someone please help with the chart please? Thank you.
Things to look at in Ecological Pyramids: o The concentration of toxic substances in food chains o The vulnerability of top carnivores o The limited length of food chains Type of Pyramid Pyramid of Numbers Biomass Pyramid Units a number gm-² (land) g m-3 (liquids) J (energy content) Pyramid of Productivity Jm-2/yr Description Pros and Cons Pros: Cons: Pros: Cons: Pros: Cons:
Transcribed Image Text:Things to look at in Ecological Pyramids: o The concentration of toxic substances in food chains o The vulnerability of top carnivores o The limited length of food chains Type of Pyramid Pyramid of Numbers Biomass Pyramid Units a number gm-² (land) g m-3 (liquids) J (energy content) Pyramid of Productivity Jm-2/yr Description Pros and Cons Pros: Cons: Pros: Cons: Pros: Cons:
Ecological Pyramids 2.1.4 Explain the principles of pyramids of numbers, pyramids of biomass, and pyramids of productivity, and construct such pyramids from given data 2.1.5 Discuss how the pyramid structure affects the functioning of an ecosystem Create pyramids for following data. Label the pyramids appropriately (number pyramid, pyramid of productivity, pyramid of biomass) Primary Producers Primary Consumers Secondary Consumers Tertiary Consumers Primary Producers Primary Consumers Secondary Consumers Tertiary Consumers Number Pyramid A 100,000 10,000 2,000 500 D Number Pyramid 1,500,000 200,000 9,000 1 E Number Pyramid 1 2,000 90 1 B Biomass Pyramid (kJ m2) 2,500 200 15 1 F Biomass Pyramid (g m-²) 807 37 11 1.5 C Productivity Pyramid (kJ-2/yr) 500 50 5 G Biomass Pyramid (g m-2) 4.0 21.0
Transcribed Image Text:Ecological Pyramids 2.1.4 Explain the principles of pyramids of numbers, pyramids of biomass, and pyramids of productivity, and construct such pyramids from given data 2.1.5 Discuss how the pyramid structure affects the functioning of an ecosystem Create pyramids for following data. Label the pyramids appropriately (number pyramid, pyramid of productivity, pyramid of biomass) Primary Producers Primary Consumers Secondary Consumers Tertiary Consumers Primary Producers Primary Consumers Secondary Consumers Tertiary Consumers Number Pyramid A 100,000 10,000 2,000 500 D Number Pyramid 1,500,000 200,000 9,000 1 E Number Pyramid 1 2,000 90 1 B Biomass Pyramid (kJ m2) 2,500 200 15 1 F Biomass Pyramid (g m-²) 807 37 11 1.5 C Productivity Pyramid (kJ-2/yr) 500 50 5 G Biomass Pyramid (g m-2) 4.0 21.0
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