Option (1) is correct. We recognise that those lizards' species belong to identical genus Norops. These 3 species i.e. Norops sagrei, Norops valencienni and Norops auratus have to be residing withinside the most important island.
Intraspecific opposition for meals and habitat brought about the separation of those species. Island is lengthy in the past earlier than of them moved into new islands. Apart from this, weather is likewise an crucial element because of which species separate and inhabit islands. Like on this case, Norops sagrei and Norops valencienni occupied separate islands toward the North America. However, Norops auratus is found to be increasing its variety from South to North America.
This is due to particularly warm weather of the mainland which lizards aren't capable of tolerate. As a result, species Norops auratus is moving toward the chillier regions withinside the North America. However, species residing in Cuba and Jamaica aren't showing any full-size variety shift as they may be already inhabiting the chillier regions.
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