Harlow Was Interested in Exploring Why Infants Develop Attachments by Separating

question 81

Multiple Choice

Harlow was interested in exploring why infants develop attachments by separating infant rhesus monkeys from their mothers shortly after birth. He then tested them to see what type of artificial surrogate mother they would prefer to spend their time. He found that the infant monkeys spent time with:

• A) the terry cloth surrogate more often because it provided contact comfort for the infant monkeys
• B) the bare wire surrogate with the feeding bottle more often because the food provided reinforcement to the infant monkeys
• C) both surrogates equally and frequently as each provided for a different need
• D) neither surrogate recognizing that the artificial surrogates could not replace their mother

Recognize the significant evolutionary milestones, including the development of sexual reproduction and the appearance of eukaryotes.

Identify the characteristics and potential origins of the first organisms.

Understand the role of various geological and chemical factors in the early synthesis of organic compounds.

Recognize the importance of astrobiology in studying extraterrestrial life possibilities.

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Definitions:

Testosterone

A primary male sex hormone that plays a key role in the development of male reproductive tissues and secondary sexual characteristics.

Negative Feedback

A regulatory mechanism in which a 'decrease' or 'increase' in a given output leads to actions that restore the system to its baseline state.

Aldosterone

A steroid hormone produced by the adrenal glands to regulate sodium and potassium balance in the blood.

Iodine

A chemical element necessary for the synthesis of thyroid hormones, lacking in the diet can lead to goiter and other health issues.