Dogs' Vision - Marvel Education

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Practice Reading: Fill in the Blanks (Dropdown) ID: #48130 Dogs' Vision

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* Select the correct answer into all dropdown fields. You need to answer all questions before clicking verify button.

The belief that dogs are colorblind, especially that they can only see in black and white, is a common misconception that has been for many years. This misunderstanding likely early scientific studies and the way the information was subsequently communicated to the public. Early studies on canine vision suggested that dogs could not perceive colors in the same way humans do. This was because dogs, unlike humans, have fewer cone cells in their eyes. Cone cells are responsible for color. Humans typically have three types of cone cells, allowing them to see a spectrum of colors (trichromatic vision). Initial research suggested that dogs might lack this complexity in their visual system, leading to the conclusion that they could only perceive the world in of gray. Modern research, however, has shown that dogs do see colors, but their color vision is limited compared to humans.

Result:

A.I. Explanation:

Correct answer: perpetuated
Explanation: The word 'perpetuated' fits grammatically as it indicates that the misconception has been continued or maintained over time. It aligns contextually with the idea of a common misunderstanding that has persisted for many years, making it the most suitable choice.
Meaning: 'Perpetuated' means to cause something to continue indefinitely, in this case, the belief about dogs being colorblind.
Wrong options:
saturated: 'Saturated' refers to being filled to capacity and does not relate to the continuation of a belief, making it contextually irrelevant.
overrated: 'Overrated' implies that something is given more importance than it deserves, which does not accurately describe the ongoing belief about dogs' color vision.
decorated: 'Decorated' means to embellish or adorn, which is unrelated to the concept of maintaining a belief or misconception.
Correct answer: stems from
Explanation: The phrase 'stems from' indicates the origin or cause of the misunderstanding, fitting grammatically and contextually as it connects the misconception to early scientific studies. It suggests that the belief is derived from these studies.
Meaning: 'Stems from' means to originate or arise from a particular source, in this case, early scientific studies about canine vision.
Wrong options:
results in: 'Results in' implies a consequence rather than an origin, making it contextually incorrect for describing the source of a misunderstanding.
departs from: 'Departs from' suggests a divergence from something, which does not accurately convey the idea of a belief arising from earlier studies.
based on: 'Based on' indicates reliance on something but does not convey the same sense of origin as 'stems from', making it less precise.
Correct answer: detecting
Explanation: The word 'detecting' fits grammatically as it describes the function of cone cells in perceiving color. It aligns contextually with the scientific explanation of how color vision works in both dogs and humans.
Meaning: 'Detecting' means to discover or identify the presence of something, in this case, color through cone cells.
Wrong options:
reacting: 'Reacting' refers to responding to stimuli, which does not accurately describe the function of cone cells in perceiving color.
denying: 'Denying' means to refuse to acknowledge something, which is not relevant to the function of cone cells in vision.
electing: 'Electing' means to choose or select, which does not relate to the biological function of cone cells.
Correct answer: wide
Explanation: The word 'wide' fits grammatically and contextually as it describes the range of colors that humans can see. It appropriately conveys the idea of a broad spectrum, aligning with the scientific context of color vision.
Meaning: 'Wide' means having a great extent from side to side, in this case, referring to the extensive range of colors visible to humans.
Wrong options:
lengthy: 'Lengthy' refers to a great length, which does not apply to the concept of color spectrum and is contextually incorrect.
heavy: 'Heavy' implies weight, which is irrelevant in the context of describing a spectrum of colors.
wild: 'Wild' suggests something uncontrolled or untamed, which does not accurately describe the organized range of colors.
Correct answer: shades
Explanation: The word 'shades' fits grammatically and contextually as it refers to variations of color, particularly in gray tones. It aligns with the conclusion drawn from early studies about dogs' perception of color.
Meaning: 'Shades' means variations or degrees of color, particularly darker or lighter versions, in this case, referring to gray.
Wrong options:
rays: 'Rays' refers to lines of light or energy, which does not relate to the concept of color perception and is contextually incorrect.
bursts: 'Bursts' implies sudden releases or explosions, which does not fit the context of color perception.
streams: 'Streams' refers to flowing bodies of water or continuous flows, which is not relevant to the discussion of color perception.

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