The europeans brought infectuous diseses such as the bubonic plague, chicken pox, pneumonic plague, cholera, diphtheria, influenza, measles, scarlet fever, smallpox, typhus, tuberculosis, and whooping cough. The diseases introduced in the Americas by the Europeans were crowd diseases: that is, individuals who have once contracted the disease and survived become immune to the disease.
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It demonstrates Perceptual constancy.
<h3>What is Perceptual constancy?</h3>
- Subjective constancy or perceptual constancy is that the perception of an object or quality as constant even though our sensation of the object changes.
- While the physical characteristics of an object might not change, in an effort to deal with the external world, the human perceptual system has mechanisms that suits the stimulus.
<h3>What are types of perceptual constancies in visual perception:</h3>
- Size constancy
- Color constancy
- Shape constancy
- Distance constancy
- Lightness constancy
- Location constancy
To learn more about Perceptual constancy: brainly.com/question/8474471
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