Examlex
Although Charles Darwin's concept of natural selection was partially based on the observation of variability within a species,Darwin did not develop an acceptable mechanism to explain this variability.How did the work of Gregor Mendel help explain a mechanism of biological evolution?
Tornado
A violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.
Customer Demand
The desire and willingness of consumers to purchase goods and services at a given price and time.
Period Of Calm
A time interval characterized by peace, stability, or a lack of disturbance.
Exclusionary Persona
This term might refer to a marketing strategy that defines the ideal customer by also specifying who is not the target or fit for a product or service. However, it's not a widely recognized term in its specified form.
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