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Discuss two factors that may trigger an adaptive radiation and provide an example of each.
Electric Currents
The flow of electric charge through a conductor, which can be used for power generation, heating, lighting, and as a signal in electronics.
Gill Arches
The skeletal elements supporting the gills in fish and some amphibians, essential for respiration in aquatic environments.
Cranium
The part of the skull that encloses the brain.
Pharyngeal Pouches
Embryonic structures in vertebrates that may develop into various parts of the face, neck, and respiratory system.
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