Luster and Streak are most closely related to color.
A subduction Zone is most likely to form at the Equator
I believe it is Natural selection
Species are going extinct before we know it because species are constantly adapting to their environment leading them to then evolve with different traits more suitable for their environment, thus creating species out of the ones that previously existed.
The group of polar bears that live along the eastern coast of Russia makes up a population.
