One Way to Understand How Early Environment Influences Differing Behaviours

question 4

Multiple Choice

One way to understand how early environment influences differing behaviours in similar species is through the "cross-fostering" experimental technique. Suppose that the curly-whiskered mud rat differs from the bald mud rat in several ways, including being much more aggressive. How would you set up a cross-fostering experiment to determine if environment plays a role in the curly-whiskered mud rats' aggression?

• A)You would cross curly-whiskered mud rats and bald mud rats and hand-rear the offspring to see if any grew up to be aggressive.
• B)You would place newborn curly-whiskered mud rats with bald mud rat parents, place newborn bald mud rats with curly-whiskered mud rat parents, and let some mud rats of both species be raised by their own species. Then you would compare the outcomes.
• C)You would remove the offspring of curly-whiskered mud rats and bald mud rats from their parents, raise them in the same environment, and then compare the outcomes.
• D)You would see if curly-whiskered mud rats bred true for aggression.
• E)You would replace normal newborn mud rats with deformed newborn mud rats to see if it triggered an altruistic response.

Explain the role and regulation of hormones related to hunger and satiety.

Appreciate the adaptive features of animal dietary specializations.

Understand the balance and necessity of vitamins and minerals in the diet.

Recognize the physiological responses to changes in blood glucose levels.

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