Examlex
In productive group sessions,a student's questions and comments are directed to another student.
Prokaryotes
Microorganisms characterized by the absence of a distinct nucleus and other organelles, including bacteria and archaea.
Gene Pool
The complete set of unique alleles in a species or population.
Genetic Drift
Mechanism of evolution due to random changes in the allelic frequencies of a population; more likely to occur in small populations or when only a few individuals of a large population reproduce.
Adaptive Radiation
Rapid evolution of several species from a common ancestor into new ecological or geographic zones.
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