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Of the following complex ions: [CrCl(NH3) 5]2+, [Cr(NH3) 6]3+, [CrCl(H2O) 5]2+, [Cr(H2O) 6]3+, one appears pink, one yellow, one blue-green and one violet. Which is blue-green?
Interbreeding
The mating or crossing of two individuals from different populations, species, or varieties, leading to the production of offspring.
Species
A group of organisms capable of interbreeding and producing fertile offspring, sharing common characteristics and genetic makeup.
Allopatric Speciation
A form of speciation that occurs when biological populations of the same species become isolated from each other to an extent that prevents genetic interchange.
Geographical Area
A specific part of the Earth's surface identified by its location, features, and often by its boundaries.
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