Held and Hein Raised Kittens in Complete Darkness for a Few

question 46

Multiple Choice

Held and Hein raised kittens in complete darkness for a few weeks.After the initial period of darkness, the kittens were divided into two groups (passive or active) .Both groups were still kept in darkness most of the day, but now spent an hour a day on a "kitten carousel." They found that ______.

• A)active kittens could not move along the carousel based on visual input
• B)each kitten was able to learn the visual task
• C)active kittens were more likely to avoid a "visual cliff" than were passive kittens
• D)passive kittens developed the inability to recognize motion

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Definitions:

Craft Specialization

The practice of focusing on the production of specific types of goods or mastering particular skills or techniques, often within a trade or profession.

Increased Nomadism

The growing tendency or practice among populations to move from one place to another rather than settling permanently in one location.

Birth Spacing Interval

The period of time between the birth of one child and the conception of the next child, considered important for the health of both mother and child.

Nutritional Stress

The physiological state that occurs when the body does not receive adequate nutrients and energy, leading to negative impacts on growth, development, and overall health.