Why does cuba have many more species of amphibian and reptiles than the caribbean island of saba?

Cuba is able to have more amphibians and reptiles than the island of Saba because Cuba is larger than Saba.

Cuba:

The reason Cuba has these many amphibians and reptiles is that it is so large compared to Saba that these animals are attracted to it from the sea because it is easier to find and offers more opportunities for a habitat and for food.

In conclusion, Cuba has more amphibian and reptile species because it is larger than Saba.

Find out more at link.

Cuba have many more species of amphibian and reptiles than the Caribbean island of Saba. Because the Cuban island has very large surface area.

Explanation:

Amphibian species are those which can live their life on land as well as in waters and so they account for the outskirts of the island much for their survival. Reptilian species are those which dwell totally on land but can pursue life for sometimes in water as well.

Therefore, they account both together for the larger space for dwelling which is sufficed more on Cuban island. Cuba has an area of nearly 105,006 square km (40,543 sq. mi). After Hispaniola, this is the second-most popular with more inhabitants too.