Please Define the Following Key Terms

question 92

Short Answer

Please define the following key terms.
-Abbasid caliphate

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Definitions:

Beta Globin Chain

A component of hemoglobin, responsible for oxygen transport in the bloodstream.

Subtropical Regions

Areas of the world that lie just below the tropical zones, characterized by hot, humid summers and mild winters.

Microevolution

The change in allele frequencies that occurs over time within a population, leading to the evolution of small-scale adaptations.

Macroevolution

Evolutionary patterns and trends on a larger scale than microevolution; e.g., adaptive radiation, coevolution.