Examlex
How many electrons can be found with principal quantum number n = 3 in a suitably heavy atom?
Fertile Offspring
Offspring that are capable of reproducing, indicating successful genetic combination and viability.
Species
A fundamental category in biological taxonomy, defined as a group of organisms capable of interbreeding and producing fertile offspring.
Evolution
The method through which various types of living beings are believed to have evolved and varied from their early ancestors over the Earth's history.
Biological Sciences
A branch of science concerned with the study of life and living organisms.
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