Wikelski and romero (2003) found that large marine iguanas had higher reproductive success than smaller iguanas did. however, the large iguanas were generally in poor body condition because they could not eat enough; at higher temperatures, their foraging efficiency improved, allowing them to eat more. thus, wikelski and romero hypothesized that iguana size will as global warming gradually increases air and water temperatures in the galápagos islands.

Increase

Explanation:

According to the given information, the large marine iguanas exhibit higher reproductive success than the smaller iguanas but have poor health in terms of body conditions. At higher temperatures, the large iguanas are better able to locate and find their food which in turn imparts them better health.  

Global warming refers to an increase in the average temperature of the earth mainly contributed by increased levels of greenhouse gases in the atmosphere. However, increase the average temperature of the habitat of larger iguanas would improve their body size and health as they efficiently locate and find their food under the conditions of increased temperature.  

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