The similarities in the structure of the three species is due to their sharing a common ancestor while the differences is due to adaptation.
<h3>What is divergent evolution?</h3>
Divergent evolution is evolution where individuals who shared a common ancient ancestor process to have differing structures due to differences in their habitats.
All three species that Flor observed having similar structures is because they had a common ancestor.
The species had differences because they evolved to adapt to their different environments.
Wall geckos and Pacific gulls have temporal holes in their skulls as adaptations to their habitat.
Learn more about adaptations at: brainly.com/question/29594
Answer:
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The structure whose abnormal function is associated with Parkinson's disease is the Basal ganglia.
When nerve cells in the basal ganglia, a region of the brain that regulates movement, are damaged or killed, it results in the most noticeable signs and symptoms of Parkinson's disease. Dopamine is a crucial brain chemical that is normally produced by these nerve cells or neurons.
Parkinson's disease (PD) is a progressive condition that affects the brain's motor neuron cells, which control how the body moves. Tremor, sluggishness, stiffness, and balance issues are symptoms of dying dopamine-producing neurons. Treatments emphasize symptom relief to free up more energy for action.
The basal ganglia and the substantia nigra, two deep regions of the brain, are affected by the degenerative, progressive disorder known as Parkinson's disease (PD).
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Explanation:
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