The correct option is (D) Islands farther from the continent have more species due to increased speciation.
What is an Island biogeography?
- A subfield of biogeography called island or insular biogeography studies the variables that influence the species diversity and richness of isolated natural groups. The idea was initially created to explain the species-area connection trend found in oceanic islands.
- According to the insular biogeography theory, extinction and immigration have a role in determining how many species may be found in an undisturbed insular habitat (or "island").
- The separation of an island from a supply of colonists has an impact on immigration and emigration (distance effect). This source often comes from the mainland, although it can also come from neighboring islands.
- Compared to islands that are less remote, more isolated islands are less likely to get immigrants.
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