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Sea otters, Enhydra lutris, are predators of sea urchins, Strongylocentrotus franciscanus. Sea urchins, in turn, feed on kelp. A study was conducted to determine the effect that Enhydra lutris has on kelp biodiversity. To do so, three bays that have had sea otter populations for varying amounts of time were assessed. Two different types of kelp were studied: a perennial kelp, Laminaria groenlandia, and other annual kelps. The results are shown in the graph below. Additional studies have illustrated the importance of sea otter populations in kelp ecosystems. In the absence of sea otters, the ecosystem collapses. What role do sea otters serve in this ecosystem? * 50 perennial L groeniandlia annual kelprs 10 urchins kelps urchims kelps urchins kelps Torch Bay no ottert Deer Harbor otters <2yrs otters 10yrs Surge Bay O Competitive exclusion O Keystone species Obligate species Dominant species Density (#-m²)

Sea otters, Enhydra lutris, are predators of sea urchins, Strongylocentrotus franciscanus. Sea urchins, in turn, feed on kelp. A study was conducted to determine the effect that Enhydra lutris has on kelp biodiversity. To do so, three bays that have had sea otter populations for varying amounts of time were assessed. Two different types of kelp were studied: a perennial kelp, Laminaria groenlandia, and other annual kelps. The results are shown in the graph below. Additional studies have illustrated the importance of sea otter populations in kelp ecosystems. In the absence of sea otters, the ecosystem collapses. What role do sea otters serve in this ecosystem? * 50 perennial L groeniandlia annual kelprs 10 urchins kelps urchims kelps urchins kelps Torch Bay no ottert Deer Harbor otters <2yrs otters 10yrs Surge Bay O Competitive exclusion O Keystone species Obligate species Dominant species Density (#-m²)

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Sea otters, Enhydra lutris, are predators of sea urchins, Strongylocentrotus franciscanus. Sea urchins, in turn, feed on kelp. A study was conducted to determine the effect that Enhydra lutris has on kelp biodiversity. To do so, three bays that have had sea otter populations for varying amounts of time were assessed. Two different types of kelp were studied: a perennial kelp, Laminaria groenlandia, and other annual kelps. The results are shown in the graph below. Additional studies have illustrated the importance of sea otter populations in kelp ecosystems. In the absence of sea otters, the ecosystem collapses. What role do sea otters serve in this ecosystem? * 50 perennial L. grOMOMIlanalia annual kelpu. 10- urchins kelps urchins kelps urchins kelps Torch Bay no otter Deer Harbor otters <2yrs otters 10yrs Surge Bay Competitive exclusion O Keystone species Obligate species Dominant species Density (#-m²)
Transcribed Image Text:Sea otters, Enhydra lutris, are predators of sea urchins, Strongylocentrotus franciscanus. Sea urchins, in turn, feed on kelp. A study was conducted to determine the effect that Enhydra lutris has on kelp biodiversity. To do so, three bays that have had sea otter populations for varying amounts of time were assessed. Two different types of kelp were studied: a perennial kelp, Laminaria groenlandia, and other annual kelps. The results are shown in the graph below. Additional studies have illustrated the importance of sea otter populations in kelp ecosystems. In the absence of sea otters, the ecosystem collapses. What role do sea otters serve in this ecosystem? * 50 perennial L. grOMOMIlanalia annual kelpu. 10- urchins kelps urchins kelps urchins kelps Torch Bay no otter Deer Harbor otters <2yrs otters 10yrs Surge Bay Competitive exclusion O Keystone species Obligate species Dominant species Density (#-m²)
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