Williams Combined the General Concepts of ______ with Medawar's ______

question 7

Multiple Choice

Williams combined the general concepts of ______ with Medawar's ______ to suggest a mechanism by which senescence can arise in a population in which genes are selected for reproductive success.

• A)aging;declining force of natural selection
• B)fecundity;disposable soma theory
• C)pleiotropy;declining force of natural selection
• D)natural selection;disposable soma theory

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Definitions:

Ileum

The final and longest segment of the small intestine, where most of the nutrients and minerals from ingested food are absorbed.

Cecum

The beginning of the large intestine, a pouch connected to the junction of the small and large intestines.

Small Intestine

The part of the gastrointestinal tract between the stomach and large intestine, where most of the digestion and absorption of nutrients takes place.

Jejunum

The middle section of the small intestine, where the majority of nutrient absorption occurs.