Explanation:

- Genetic Diversity (Option 1): Refers to the variety of genes within a species. It allows species to adapt to changing environments and resist diseases.

- Cultural Diversity (Option 2): Involves the variety of cultural expressions and practices in human societies but is unrelated to natural habitats like deserts or coral reefs.

- Species Diversity (Option 3): Represents the variety of species within a region. It includes the number of different species and their relative abundance.

- Ecological Diversity (Option 4): Encompasses the variety of ecosystems and their biological communities found in an area. This includes deserts, rainforests, coral reefs, and mangroves as representations of different ecosystem types.