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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 A O OC OD Having a longer body length increases the chance of reproduction but decreases the annual survival rate. Having a longer body length decreases the chance of reproduction and decreases the annual survival rate. Having a longer body length decreases the chance of reproduction but increases the annual survival rate. Having a longer body length increases the chance of reproduction and increases the annual survival rate.

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 A O OC OD Having a longer body length increases the chance of reproduction but decreases the annual survival rate. Having a longer body length decreases the chance of reproduction and decreases the annual survival rate. Having a longer body length decreases the chance of reproduction but increases the annual survival rate. Having a longer body length increases the chance of reproduction and increases the annual survival rate.

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
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Body Length in Male Marine Iguanas of the Galapagos Islands The drawing below shows 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. Graph 1: Relationship Between Annual Survival Rate and Body Length for Male Marine Iguanas on Two Islands 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 B Having a longer body length increases the chance of reproduction but decreases the annual survival rate. Having a longer body length decreases the chance of reproduction and decreases the annual survival rate. Having a longer body length decreases the chance of reproduction but increases the annual survival rate. Having a longer body length increases the chance of reproduction and increases the annual survival rate.
Transcribed Image Text:Body Length in Male Marine Iguanas of the Galapagos Islands The drawing below shows 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. Graph 1: Relationship Between Annual Survival Rate and Body Length for Male Marine Iguanas on Two Islands 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 B Having a longer body length increases the chance of reproduction but decreases the annual survival rate. Having a longer body length decreases the chance of reproduction and decreases the annual survival rate. Having a longer body length decreases the chance of reproduction but increases the annual survival rate. Having a longer body length increases the chance of reproduction and increases the annual survival rate.
Santa Fe KAM Genovesa 240 300 360 420 Body Length (mm) 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. 0 0 120 180 Island Genovesa 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 for both island 10- Graph 2: Number of Iguana Mating Events Relative to Percent of Maximum Body Length ! 60 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 70 80 Body Length (% maximum) Key Iguanas on Santa Fe. Iguanas on Genovesa 90 100
Transcribed Image Text:Santa Fe KAM Genovesa 240 300 360 420 Body Length (mm) 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. 0 0 120 180 Island Genovesa 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 for both island 10- Graph 2: Number of Iguana Mating Events Relative to Percent of Maximum Body Length ! 60 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 70 80 Body Length (% maximum) Key Iguanas on Santa Fe. Iguanas on Genovesa 90 100
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