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20 Mar 2018

The Galapagos marine iguana lives in coastal areas of the Galapagos Islands. These lizards feed on algae growth in the intertidal and near-shore marine areas, and bask in the sun between feeding bouts in order to maintain the energy needed for foraging trips.

Male lizards choose and defend small territories of the rocky shore. The “quality” of the territories varies, and females choose mates based on the quality of their territories.

Three sentences or more: In your own words, please explain how sexual selection could promote a larger body size for male iguanas than female iguanas (sexual dimorphism).??

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Jarrod Robel
Jarrod RobelLv2
22 Mar 2018

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