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Q.
Tropics ($23.5^{\circ}N$ to $23.5^{\circ}S)$ have______ species as compared to temperate or polar regions.
Biodiversity and Conservation
Solution:
Biodiversity is affected by latitudinal gradients. Tropics ($23.5^{\circ}N$ to $23.5^{\circ}S$) have more species than temperature or polar regions. For example, Columbia located near the equator has 1400 species of birds, while New York $(41 \,{}^{\circ}N)$ has $105$ species and Greenland $(71\,{}^{\circ}N)$ has only 56 species.