Examlex
A stimulant that produces a state of euphoria, or high, deadens pain, reduces hunger, and bolsters self-confidence is ______.
Phenotype
A collection of visible features or attributes in an organism that emerge through the combination of its genetic makeup and environmental influences.
Fitness
In evolutionary terms, an organism's ability to survive and reproduce, thereby passing its genes onto the next generation more effectively than others.
Frequency-Dependent Selection
An evolutionary process by which the fitness of a phenotype or allele depends on its frequency relative to other phenotypes or alleles in a given population.
Phenotype
The set of observable characteristics or traits of an organism that results from the interaction of its genotype with the environment.
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