Question

Based on the theory of island biogeography, which of the following is the most likely reason that an island in the ocean that is 5 kilometers from a continent would have a higher number of species than one that is 15 kilometers from a continent?

There are more species that have the ability to travel 5 kilometers than can travel 15 kilometers.

Islands that are closer to continents always have a wider range of habitats than more distant islands do.

There are smaller populations of each species on islands that are at greater distances from continents.

Islands that are closer to continents always have more ecological niches than more distant islands do.

Answer 1

The most likely reason that an island in the ocean that is 5 kilometers from a continent would have a higher number of species than one that is 15 kilometers from a continent is:

"Islands that are closer to continents always have more ecological niches than more distant islands do."

This statement is in line with the theory of island biogeography, which suggests that islands closer to continents generally have more species because they provide more ecological opportunities and habitats for species to colonize and establish populations. Closer islands have a higher chance of receiving colonizers from the nearby continent and are also more likely to have a wider range of ecological niches, which can support a greater variety of species.

Step-by-step explanation:

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