Examlex
In operant conditioning, extinction occurs as a result of withholding ________.
Sister Groups
Groups of organisms that share an immediate common ancestor, and therefore are each other's closest relatives.
Phenotype
An individual’s observable traits.
Directional Selection
A mode of natural selection where individuals with traits on one end of the spectrum are more likely to survive and reproduce, causing a shift in the population's genetic makeup.
Tree-Dwelling Frog
Amphibians that spend a significant portion of their lives in trees, exhibiting adaptations such as suction cup-like toe pads to aid in climbing.
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