You've Been Studying Biology in the Library for the Last

question 150

Multiple Choice

You've been studying biology in the library for the last couple of hours when you realize that you're getting really hungry and thirsty. Which brain structure played a key role in triggering feelings of hunger and thirst?

• A)the pituitary gland
• B)the corpus callosum
• C)the hypothalamus
• D)the hippocampus

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Definitions:

Twin

One of a pair of siblings born at the same time from the same pregnancy, either identical (monozygotic) or fraternal (dizygotic).

Selective Breeding

The process of breeding plants or animals for specific genetic traits, aiming to produce offspring with desirable characteristics.

Fraternal Twin

Siblings who are born at the same time but developed from two separate eggs fertilized by two different sperm, genetically similar as typical siblings.

Range of Reaction

The concept that an individual’s genetic makeup establishes the range of possible responses to different environmental qualities.