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Body Length in Male Marine Iguanas of the Galapagos Islands The drawing below shows a marine iguana. Marine iguanas live on all 13 of the Galapagos Islands, located in the Pacific Ocean. These iguanas are herbivores that eat algae. The iguanas use their sharp teeth to scrape algae off of rocks located along the shorelines of the islands. The body length of the iguanas on each island is not the same. Several genes control the body length of these iguanas. Additionally, body length is related to survival in these iguanas. The graph below shows the survival rates and body lengths male iguanas on two of the islands, Genovesa and Santa Fe. Which statement about the body length of male iguanas on both islands is BEST supported by the data in Graph 1 and Graph 2? A OB O C. O D Having a longer body length increases the annual survival rate and increases the chance of reproduction. Having a longer body length decreases the annual survival rate but increases the chance of reproduction. Having a longer body length increases the annual survival rate but decreases the chance of reproduction. Having a longer body length decreases the annual survival rate and decreases the chance of reproduction.

Body Length in Male Marine Iguanas of the Galapagos Islands The drawing below shows a marine iguana. Marine iguanas live on all 13 of the Galapagos Islands, located in the Pacific Ocean. These iguanas are herbivores that eat algae. The iguanas use their sharp teeth to scrape algae off of rocks located along the shorelines of the islands. The body length of the iguanas on each island is not the same. Several genes control the body length of these iguanas. Additionally, body length is related to survival in these iguanas. The graph below shows the survival rates and body lengths male iguanas on two of the islands, Genovesa and Santa Fe. Which statement about the body length of male iguanas on both islands is BEST supported by the data in Graph 1 and Graph 2? A OB O C. O D Having a longer body length increases the annual survival rate and increases the chance of reproduction. Having a longer body length decreases the annual survival rate but increases the chance of reproduction. Having a longer body length increases the annual survival rate but decreases the chance of reproduction. Having a longer body length decreases the annual survival rate and decreases the chance of reproduction.

Biology: The Unity and Diversity of Life (MindTap Course List)
Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter44: Population Ecology
Section: Chapter Questions
Problem 3DAA: Iguana Decline In 1987, Martin Wikelski began a long-term study of marine iguanas in the Galpagos...
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Body Length in Male Marine Iguanas of the Galapagos Islands The drawing below shows a marine iguana. Marine iguanas live on all 13 of the Galapagos Islands, located in the Pacific Ocean. These iguanas are herbivores that eat algae. The iguanas use their sharp teeth to scrape algae off of rocks located along the shorelines of the islands. The body length of the iguanas on each island is not the same. Several genes control the body length of these iguanas. Additionally, body length is related to survival in these iguanas. The graph below shows the survival rates and body lengths of male iguanas on two of the islands, Genovesa and Santa Fe. Which statement about the body length of male iguanas on both islands is BEST supported by the data in Graph 1 and Graph 2? O Having a longer body length increases the annual survival rate and increases the chance of reproduction. Having a longer body length decreases the annual survival rate but increases the chance of reproduction. Having a longer body length increases the annual survival rate but decreases the chance of reproduction. Having a longer body length decreases the annual survival rate and decreases the chance of reproduction.
Transcribed Image Text:Body Length in Male Marine Iguanas of the Galapagos Islands The drawing below shows a marine iguana. Marine iguanas live on all 13 of the Galapagos Islands, located in the Pacific Ocean. These iguanas are herbivores that eat algae. The iguanas use their sharp teeth to scrape algae off of rocks located along the shorelines of the islands. The body length of the iguanas on each island is not the same. Several genes control the body length of these iguanas. Additionally, body length is related to survival in these iguanas. The graph below shows the survival rates and body lengths of male iguanas on two of the islands, Genovesa and Santa Fe. Which statement about the body length of male iguanas on both islands is BEST supported by the data in Graph 1 and Graph 2? O Having a longer body length increases the annual survival rate and increases the chance of reproduction. Having a longer body length decreases the annual survival rate but increases the chance of reproduction. Having a longer body length increases the annual survival rate but decreases the chance of reproduction. Having a longer body length decreases the annual survival rate and decreases the chance of reproduction.
Annual Survival Rate (%) 100- Number of Mating Events 80 60 40 20 The information in the chart below compares some characteristics of the two islands. Island Genovesa 0 120 180 240 300 360 420 Body Length (mm) Santa Fe ģ Genovesa o Santa Fe The graph below shows the relationship between male body length, relative to the rest of the population, and the number of mating events Graph 2: Number of Iguana Mating Events Relative to Percent of Maximum Body Length ! 8 Characteristic Comparison • Smaller Island (by square footage) than Santa Fe • Has smaller algae populations in the ocean waters than Santa Fe Larger Island (by square footage) than Genovesa •Exposed to more upwelling of nutrients (used by algae to grow) in the ocean waters than Genovesa O 70 80 90 Body Length (% maximum) Key Iguanas on Santa Fe Iguanas on Genovesa 100
Transcribed Image Text:Annual Survival Rate (%) 100- Number of Mating Events 80 60 40 20 The information in the chart below compares some characteristics of the two islands. Island Genovesa 0 120 180 240 300 360 420 Body Length (mm) Santa Fe ģ Genovesa o Santa Fe The graph below shows the relationship between male body length, relative to the rest of the population, and the number of mating events Graph 2: Number of Iguana Mating Events Relative to Percent of Maximum Body Length ! 8 Characteristic Comparison • Smaller Island (by square footage) than Santa Fe • Has smaller algae populations in the ocean waters than Santa Fe Larger Island (by square footage) than Genovesa •Exposed to more upwelling of nutrients (used by algae to grow) in the ocean waters than Genovesa O 70 80 90 Body Length (% maximum) Key Iguanas on Santa Fe Iguanas on Genovesa 100
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